Home / 7,710,463.16-10,640,502.12-4,272,761.60

Finding the Fourth Proportional to 7,710,463.16, 10,640,502.12 and 4,272,761.60

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Solution

The fourth proportional to 7,710,463.16, 10,640,502.12 and 4,272,761.60 is: 5,896,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710,463.16 : 10,640,502.12 = 4,272,761.60 : x
  2. Step 2: Convert to fraction form
    7,710,463.16/10,640,502.12 = 4,272,761.60/x
  3. Step 3: Cross multiply
    7,710,463.16x = 10,640,502.12 × 4,272,761.60
  4. Step 4: Simplify right side
    7,710,463.16x = 45,464,328,863,054.59
  5. Step 5: Solve for x
    x = 45,464,328,863,054.59/7,710,463.16
  6. Step 6: Final answer
    x = 5,896,445.90

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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.