Home / 10,005,074.40-15,007,617.20-7,026,555.36

Finding the Fourth Proportional to 10,005,074.40, 15,007,617.20 and 7,026,555.36

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Solution

The fourth proportional to 10,005,074.40, 15,007,617.20 and 7,026,555.36 is: 10,539,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,074.40 : 15,007,617.20 = 7,026,555.36 : x
  2. Step 2: Convert to fraction form
    10,005,074.40/15,007,617.20 = 7,026,555.36/x
  3. Step 3: Cross multiply
    10,005,074.40x = 15,007,617.20 × 7,026,555.36
  4. Step 4: Simplify right side
    10,005,074.40x = 105,451,853,077,488.19
  5. Step 5: Solve for x
    x = 105,451,853,077,488.19/10,005,074.40
  6. Step 6: Final answer
    x = 10,539,836.97

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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.