Home / 10,416,807.78-15,609,520.08-9,281,603.04

Finding the Fourth Proportional to 10,416,807.78, 15,609,520.08 and 9,281,603.04

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Solution

The fourth proportional to 10,416,807.78, 15,609,520.08 and 9,281,603.04 is: 13,908,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416,807.78 : 15,609,520.08 = 9,281,603.04 : x
  2. Step 2: Convert to fraction form
    10,416,807.78/15,609,520.08 = 9,281,603.04/x
  3. Step 3: Cross multiply
    10,416,807.78x = 15,609,520.08 × 9,281,603.04
  4. Step 4: Simplify right side
    10,416,807.78x = 144,881,369,027,469.03
  5. Step 5: Solve for x
    x = 144,881,369,027,469.03/10,416,807.78
  6. Step 6: Final answer
    x = 13,908,423.01

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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.