Home / 7,728,643.60-11,592,965.40-4,537,373.20

Finding the Fourth Proportional to 7,728,643.60, 11,592,965.40 and 4,537,373.20

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Solution

The fourth proportional to 7,728,643.60, 11,592,965.40 and 4,537,373.20 is: 6,806,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,643.60 : 11,592,965.40 = 4,537,373.20 : x
  2. Step 2: Convert to fraction form
    7,728,643.60/11,592,965.40 = 4,537,373.20/x
  3. Step 3: Cross multiply
    7,728,643.60x = 11,592,965.40 × 4,537,373.20
  4. Step 4: Simplify right side
    7,728,643.60x = 52,601,610,514,487.28
  5. Step 5: Solve for x
    x = 52,601,610,514,487.28/7,728,643.60
  6. Step 6: Final answer
    x = 6,806,059.80

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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.