Home / 30,137,423.04-41,605,030.08-20,399,330.88

Finding the Fourth Proportional to 30,137,423.04, 41,605,030.08 and 20,399,330.88

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Solution

The fourth proportional to 30,137,423.04, 41,605,030.08 and 20,399,330.88 is: 28,161,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137,423.04 : 41,605,030.08 = 20,399,330.88 : x
  2. Step 2: Convert to fraction form
    30,137,423.04/41,605,030.08 = 20,399,330.88/x
  3. Step 3: Cross multiply
    30,137,423.04x = 41,605,030.08 × 20,399,330.88
  4. Step 4: Simplify right side
    30,137,423.04x = 848,714,774,874,272.75
  5. Step 5: Solve for x
    x = 848,714,774,874,272.75/30,137,423.04
  6. Step 6: Final answer
    x = 28,161,491.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.