Home / 9,778,031.04-13,493,581.20-5,427,155.28

Finding the Fourth Proportional to 9,778,031.04, 13,493,581.20 and 5,427,155.28

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Solution

The fourth proportional to 9,778,031.04, 13,493,581.20 and 5,427,155.28 is: 7,489,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,031.04 : 13,493,581.20 = 5,427,155.28 : x
  2. Step 2: Convert to fraction form
    9,778,031.04/13,493,581.20 = 5,427,155.28/x
  3. Step 3: Cross multiply
    9,778,031.04x = 13,493,581.20 × 5,427,155.28
  4. Step 4: Simplify right side
    9,778,031.04x = 73,231,760,455,688.73
  5. Step 5: Solve for x
    x = 73,231,760,455,688.73/9,778,031.04
  6. Step 6: Final answer
    x = 7,489,417.88

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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.