Home / 14,123,428.60-21,179,894.10-5,602,001.80

Finding the Fourth Proportional to 14,123,428.60, 21,179,894.10 and 5,602,001.80

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Solution

The fourth proportional to 14,123,428.60, 21,179,894.10 and 5,602,001.80 is: 8,400,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,428.60 : 21,179,894.10 = 5,602,001.80 : x
  2. Step 2: Convert to fraction form
    14,123,428.60/21,179,894.10 = 5,602,001.80/x
  3. Step 3: Cross multiply
    14,123,428.60x = 21,179,894.10 × 5,602,001.80
  4. Step 4: Simplify right side
    14,123,428.60x = 118,649,804,872,009.39
  5. Step 5: Solve for x
    x = 118,649,804,872,009.39/14,123,428.60
  6. Step 6: Final answer
    x = 8,400,920.78

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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.