Home / 13,818,671.46-20,730,663.98-5,298,343.47

Finding the Fourth Proportional to 13,818,671.46, 20,730,663.98 and 5,298,343.47

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Solution

The fourth proportional to 13,818,671.46, 20,730,663.98 and 5,298,343.47 is: 7,948,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,671.46 : 20,730,663.98 = 5,298,343.47 : x
  2. Step 2: Convert to fraction form
    13,818,671.46/20,730,663.98 = 5,298,343.47/x
  3. Step 3: Cross multiply
    13,818,671.46x = 20,730,663.98 × 5,298,343.47
  4. Step 4: Simplify right side
    13,818,671.46x = 109,838,178,023,543.89
  5. Step 5: Solve for x
    x = 109,838,178,023,543.89/13,818,671.46
  6. Step 6: Final answer
    x = 7,948,533.86

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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.