Home / 11,369,642.72-15,690,312.28-6,213,221.60

Finding the Fourth Proportional to 11,369,642.72, 15,690,312.28 and 6,213,221.60

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Solution

The fourth proportional to 11,369,642.72, 15,690,312.28 and 6,213,221.60 is: 8,574,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369,642.72 : 15,690,312.28 = 6,213,221.60 : x
  2. Step 2: Convert to fraction form
    11,369,642.72/15,690,312.28 = 6,213,221.60/x
  3. Step 3: Cross multiply
    11,369,642.72x = 15,690,312.28 × 6,213,221.60
  4. Step 4: Simplify right side
    11,369,642.72x = 97,487,387,168,841.23
  5. Step 5: Solve for x
    x = 97,487,387,168,841.23/11,369,642.72
  6. Step 6: Final answer
    x = 8,574,358.01

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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.