Home / 14,984,159.55-20,678,140.25-8,108,641.68

Finding the Fourth Proportional to 14,984,159.55, 20,678,140.25 and 8,108,641.68

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Solution

The fourth proportional to 14,984,159.55, 20,678,140.25 and 8,108,641.68 is: 11,189,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,159.55 : 20,678,140.25 = 8,108,641.68 : x
  2. Step 2: Convert to fraction form
    14,984,159.55/20,678,140.25 = 8,108,641.68/x
  3. Step 3: Cross multiply
    14,984,159.55x = 20,678,140.25 × 8,108,641.68
  4. Step 4: Simplify right side
    14,984,159.55x = 167,671,629,896,035.62
  5. Step 5: Solve for x
    x = 167,671,629,896,035.62/14,984,159.55
  6. Step 6: Final answer
    x = 11,189,925.56

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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.