Home / 18,389,424.29-25,377,095.48-10,130,259.15

Finding the Fourth Proportional to 18,389,424.29, 25,377,095.48 and 10,130,259.15

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Solution

The fourth proportional to 18,389,424.29, 25,377,095.48 and 10,130,259.15 is: 13,979,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,424.29 : 25,377,095.48 = 10,130,259.15 : x
  2. Step 2: Convert to fraction form
    18,389,424.29/25,377,095.48 = 10,130,259.15/x
  3. Step 3: Cross multiply
    18,389,424.29x = 25,377,095.48 × 10,130,259.15
  4. Step 4: Simplify right side
    18,389,424.29x = 257,076,553,636,042.38
  5. Step 5: Solve for x
    x = 257,076,553,636,042.38/18,389,424.29
  6. Step 6: Final answer
    x = 13,979,586.83

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Double scale
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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.