Home / 37,972,985.50-52,402,971.60-20,569,330.72

Finding the Fourth Proportional to 37,972,985.50, 52,402,971.60 and 20,569,330.72

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Solution

The fourth proportional to 37,972,985.50, 52,402,971.60 and 20,569,330.72 is: 28,385,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972,985.50 : 52,402,971.60 = 20,569,330.72 : x
  2. Step 2: Convert to fraction form
    37,972,985.50/52,402,971.60 = 20,569,330.72/x
  3. Step 3: Cross multiply
    37,972,985.50x = 52,402,971.60 × 20,569,330.72
  4. Step 4: Simplify right side
    37,972,985.50x = 1,077,894,053,551,167.50
  5. Step 5: Solve for x
    x = 1,077,894,053,551,167.50/37,972,985.50
  6. Step 6: Final answer
    x = 28,385,812.69

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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.