Home / 10,879,443.60-16,319,165.40-8,988,320.40

Finding the Fourth Proportional to 10,879,443.60, 16,319,165.40 and 8,988,320.40

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Solution

The fourth proportional to 10,879,443.60, 16,319,165.40 and 8,988,320.40 is: 13,482,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,443.60 : 16,319,165.40 = 8,988,320.40 : x
  2. Step 2: Convert to fraction form
    10,879,443.60/16,319,165.40 = 8,988,320.40/x
  3. Step 3: Cross multiply
    10,879,443.60x = 16,319,165.40 × 8,988,320.40
  4. Step 4: Simplify right side
    10,879,443.60x = 146,681,887,275,794.16
  5. Step 5: Solve for x
    x = 146,681,887,275,794.16/10,879,443.60
  6. Step 6: Final answer
    x = 13,482,480.60

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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.