Home / 7,245,001.10-10,867,501.65-5,438,101.70

Finding the Fourth Proportional to 7,245,001.10, 10,867,501.65 and 5,438,101.70

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Solution

The fourth proportional to 7,245,001.10, 10,867,501.65 and 5,438,101.70 is: 8,157,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,001.10 : 10,867,501.65 = 5,438,101.70 : x
  2. Step 2: Convert to fraction form
    7,245,001.10/10,867,501.65 = 5,438,101.70/x
  3. Step 3: Cross multiply
    7,245,001.10x = 10,867,501.65 × 5,438,101.70
  4. Step 4: Simplify right side
    7,245,001.10x = 59,098,579,197,617.81
  5. Step 5: Solve for x
    x = 59,098,579,197,617.81/7,245,001.10
  6. Step 6: Final answer
    x = 8,157,152.55

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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.