Home / 18,923,681.51-26,114,691.02-10,221,854.20

Finding the Fourth Proportional to 18,923,681.51, 26,114,691.02 and 10,221,854.20

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Solution

The fourth proportional to 18,923,681.51, 26,114,691.02 and 10,221,854.20 is: 14,106,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,681.51 : 26,114,691.02 = 10,221,854.20 : x
  2. Step 2: Convert to fraction form
    18,923,681.51/26,114,691.02 = 10,221,854.20/x
  3. Step 3: Cross multiply
    18,923,681.51x = 26,114,691.02 × 10,221,854.20
  4. Step 4: Simplify right side
    18,923,681.51x = 266,940,564,084,489.25
  5. Step 5: Solve for x
    x = 266,940,564,084,489.25/18,923,681.51
  6. Step 6: Final answer
    x = 14,106,164.49

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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.