Home / 10,403,821.30-15,605,731.95-9,396,051.70

Finding the Fourth Proportional to 10,403,821.30, 15,605,731.95 and 9,396,051.70

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Solution

The fourth proportional to 10,403,821.30, 15,605,731.95 and 9,396,051.70 is: 14,094,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,821.30 : 15,605,731.95 = 9,396,051.70 : x
  2. Step 2: Convert to fraction form
    10,403,821.30/15,605,731.95 = 9,396,051.70/x
  3. Step 3: Cross multiply
    10,403,821.30x = 15,605,731.95 × 9,396,051.70
  4. Step 4: Simplify right side
    10,403,821.30x = 146,632,264,218,541.78
  5. Step 5: Solve for x
    x = 146,632,264,218,541.78/10,403,821.30
  6. Step 6: Final answer
    x = 14,094,077.55

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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.