Home / 8,442,170.48-12,602,126.85-7,420,666.52

Finding the Fourth Proportional to 8,442,170.48, 12,602,126.85 and 7,420,666.52

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Solution

The fourth proportional to 8,442,170.48, 12,602,126.85 and 7,420,666.52 is: 11,077,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,170.48 : 12,602,126.85 = 7,420,666.52 : x
  2. Step 2: Convert to fraction form
    8,442,170.48/12,602,126.85 = 7,420,666.52/x
  3. Step 3: Cross multiply
    8,442,170.48x = 12,602,126.85 × 7,420,666.52
  4. Step 4: Simplify right side
    8,442,170.48x = 93,516,180,759,484.73
  5. Step 5: Solve for x
    x = 93,516,180,759,484.73/8,442,170.48
  6. Step 6: Final answer
    x = 11,077,267.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.