Home / 5,275,430.10-7,913,145.15-4,787,291.70

Finding the Fourth Proportional to 5,275,430.10, 7,913,145.15 and 4,787,291.70

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Solution

The fourth proportional to 5,275,430.10, 7,913,145.15 and 4,787,291.70 is: 7,180,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,430.10 : 7,913,145.15 = 4,787,291.70 : x
  2. Step 2: Convert to fraction form
    5,275,430.10/7,913,145.15 = 4,787,291.70/x
  3. Step 3: Cross multiply
    5,275,430.10x = 7,913,145.15 × 4,787,291.70
  4. Step 4: Simplify right side
    5,275,430.10x = 37,882,534,097,490.26
  5. Step 5: Solve for x
    x = 37,882,534,097,490.26/5,275,430.10
  6. Step 6: Final answer
    x = 7,180,937.55

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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.