Home / 13,121,691.02-19,691,315.76-5,445,335.60

Finding the Fourth Proportional to 13,121,691.02, 19,691,315.76 and 5,445,335.60

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Solution

The fourth proportional to 13,121,691.02, 19,691,315.76 and 5,445,335.60 is: 8,171,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,691.02 : 19,691,315.76 = 5,445,335.60 : x
  2. Step 2: Convert to fraction form
    13,121,691.02/19,691,315.76 = 5,445,335.60/x
  3. Step 3: Cross multiply
    13,121,691.02x = 19,691,315.76 × 5,445,335.60
  4. Step 4: Simplify right side
    13,121,691.02x = 107,225,822,754,384.02
  5. Step 5: Solve for x
    x = 107,225,822,754,384.02/13,121,691.02
  6. Step 6: Final answer
    x = 8,171,646.67

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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.