Home / 13,153,129.20-19,701,700.20-10,913,641.20

Finding the Fourth Proportional to 13,153,129.20, 19,701,700.20 and 10,913,641.20

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Solution

The fourth proportional to 13,153,129.20, 19,701,700.20 and 10,913,641.20 is: 16,347,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,129.20 : 19,701,700.20 = 10,913,641.20 : x
  2. Step 2: Convert to fraction form
    13,153,129.20/19,701,700.20 = 10,913,641.20/x
  3. Step 3: Cross multiply
    13,153,129.20x = 19,701,700.20 × 10,913,641.20
  4. Step 4: Simplify right side
    13,153,129.20x = 215,017,287,012,768.22
  5. Step 5: Solve for x
    x = 215,017,287,012,768.22/13,153,129.20
  6. Step 6: Final answer
    x = 16,347,234.47

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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.