Home / 15,168,679.20-22,705,779.60-8,759,894.40

Finding the Fourth Proportional to 15,168,679.20, 22,705,779.60 and 8,759,894.40

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Solution

The fourth proportional to 15,168,679.20, 22,705,779.60 and 8,759,894.40 is: 13,112,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168,679.20 : 22,705,779.60 = 8,759,894.40 : x
  2. Step 2: Convert to fraction form
    15,168,679.20/22,705,779.60 = 8,759,894.40/x
  3. Step 3: Cross multiply
    15,168,679.20x = 22,705,779.60 × 8,759,894.40
  4. Step 4: Simplify right side
    15,168,679.20x = 198,900,231,565,674.25
  5. Step 5: Solve for x
    x = 198,900,231,565,674.25/15,168,679.20
  6. Step 6: Final answer
    x = 13,112,561.02

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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.