Home / 7,648,863.28-10,553,047.80-4,340,609.20

Finding the Fourth Proportional to 7,648,863.28, 10,553,047.80 and 4,340,609.20

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Solution

The fourth proportional to 7,648,863.28, 10,553,047.80 and 4,340,609.20 is: 5,988,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,863.28 : 10,553,047.80 = 4,340,609.20 : x
  2. Step 2: Convert to fraction form
    7,648,863.28/10,553,047.80 = 4,340,609.20/x
  3. Step 3: Cross multiply
    7,648,863.28x = 10,553,047.80 × 4,340,609.20
  4. Step 4: Simplify right side
    7,648,863.28x = 45,806,656,368,719.77
  5. Step 5: Solve for x
    x = 45,806,656,368,719.77/7,648,863.28
  6. Step 6: Final answer
    x = 5,988,688.08

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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.