Home / 38,947,672.40-58,369,905.92-20,712,602.48

Finding the Fourth Proportional to 38,947,672.40, 58,369,905.92 and 20,712,602.48

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Solution

The fourth proportional to 38,947,672.40, 58,369,905.92 and 20,712,602.48 is: 31,041,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947,672.40 : 58,369,905.92 = 20,712,602.48 : x
  2. Step 2: Convert to fraction form
    38,947,672.40/58,369,905.92 = 20,712,602.48/x
  3. Step 3: Cross multiply
    38,947,672.40x = 58,369,905.92 × 20,712,602.48
  4. Step 4: Simplify right side
    38,947,672.40x = 1,208,992,657,875,890.75
  5. Step 5: Solve for x
    x = 1,208,992,657,875,890.75/38,947,672.40
  6. Step 6: Final answer
    x = 31,041,461.11

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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.