Home / 15,768,697.52-21,759,499.20-8,894,869.04

Finding the Fourth Proportional to 15,768,697.52, 21,759,499.20 and 8,894,869.04

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Solution

The fourth proportional to 15,768,697.52, 21,759,499.20 and 8,894,869.04 is: 12,274,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,697.52 : 21,759,499.20 = 8,894,869.04 : x
  2. Step 2: Convert to fraction form
    15,768,697.52/21,759,499.20 = 8,894,869.04/x
  3. Step 3: Cross multiply
    15,768,697.52x = 21,759,499.20 × 8,894,869.04
  4. Step 4: Simplify right side
    15,768,697.52x = 193,547,895,759,984.75
  5. Step 5: Solve for x
    x = 193,547,895,759,984.75/15,768,697.52
  6. Step 6: Final answer
    x = 12,274,184.06

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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.