Home / 25,348,417.60-34,980,825.60-13,745,978.08

Finding the Fourth Proportional to 25,348,417.60, 34,980,825.60 and 13,745,978.08

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Solution

The fourth proportional to 25,348,417.60, 34,980,825.60 and 13,745,978.08 is: 18,969,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348,417.60 : 34,980,825.60 = 13,745,978.08 : x
  2. Step 2: Convert to fraction form
    25,348,417.60/34,980,825.60 = 13,745,978.08/x
  3. Step 3: Cross multiply
    25,348,417.60x = 34,980,825.60 × 13,745,978.08
  4. Step 4: Simplify right side
    25,348,417.60x = 480,845,661,917,902.88
  5. Step 5: Solve for x
    x = 480,845,661,917,902.88/25,348,417.60
  6. Step 6: Final answer
    x = 18,969,454.80

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1.5x scale

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.