Home / 28,285,547.60-42,428,321.40-17,536,005.20

Finding the Fourth Proportional to 28,285,547.60, 42,428,321.40 and 17,536,005.20

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Solution

The fourth proportional to 28,285,547.60, 42,428,321.40 and 17,536,005.20 is: 26,304,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285,547.60 : 42,428,321.40 = 17,536,005.20 : x
  2. Step 2: Convert to fraction form
    28,285,547.60/42,428,321.40 = 17,536,005.20/x
  3. Step 3: Cross multiply
    28,285,547.60x = 42,428,321.40 × 17,536,005.20
  4. Step 4: Simplify right side
    28,285,547.60x = 744,023,264,697,671.25
  5. Step 5: Solve for x
    x = 744,023,264,697,671.25/28,285,547.60
  6. Step 6: Final answer
    x = 26,304,007.80

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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.