Home / 25,640,920.40-38,461,380.60-7,445,080.40

Finding the Fourth Proportional to 25,640,920.40, 38,461,380.60 and 7,445,080.40

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Solution

The fourth proportional to 25,640,920.40, 38,461,380.60 and 7,445,080.40 is: 11,167,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640,920.40 : 38,461,380.60 = 7,445,080.40 : x
  2. Step 2: Convert to fraction form
    25,640,920.40/38,461,380.60 = 7,445,080.40/x
  3. Step 3: Cross multiply
    25,640,920.40x = 38,461,380.60 × 7,445,080.40
  4. Step 4: Simplify right side
    25,640,920.40x = 286,348,070,862,000.25
  5. Step 5: Solve for x
    x = 286,348,070,862,000.25/25,640,920.40
  6. Step 6: Final answer
    x = 11,167,620.60

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1.5x scale

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.