Home / 30,007,970.08-45,011,955.66-7,288,714.24

Finding the Fourth Proportional to 30,007,970.08, 45,011,955.66 and 7,288,714.24

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Solution

The fourth proportional to 30,007,970.08, 45,011,955.66 and 7,288,714.24 is: 10,933,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,970.08 : 45,011,955.66 = 7,288,714.24 : x
  2. Step 2: Convert to fraction form
    30,007,970.08/45,011,955.66 = 7,288,714.24/x
  3. Step 3: Cross multiply
    30,007,970.08x = 45,011,955.66 × 7,288,714.24
  4. Step 4: Simplify right side
    30,007,970.08x = 328,079,282,189,290.56
  5. Step 5: Solve for x
    x = 328,079,282,189,290.56/30,007,970.08
  6. Step 6: Final answer
    x = 10,933,071.49

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.