Home / 19,931,347.10-29,897,020.65-4,785,278.60

Finding the Fourth Proportional to 19,931,347.10, 29,897,020.65 and 4,785,278.60

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Solution

The fourth proportional to 19,931,347.10, 29,897,020.65 and 4,785,278.60 is: 7,177,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,347.10 : 29,897,020.65 = 4,785,278.60 : x
  2. Step 2: Convert to fraction form
    19,931,347.10/29,897,020.65 = 4,785,278.60/x
  3. Step 3: Cross multiply
    19,931,347.10x = 29,897,020.65 × 4,785,278.60
  4. Step 4: Simplify right side
    19,931,347.10x = 143,065,573,120,203.06
  5. Step 5: Solve for x
    x = 143,065,573,120,203.06/19,931,347.10
  6. Step 6: Final answer
    x = 7,177,917.90

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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.