Home / 28,202,217.60-42,309,547.20-9,033,859.20

Finding the Fourth Proportional to 28,202,217.60, 42,309,547.20 and 9,033,859.20

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Solution

The fourth proportional to 28,202,217.60, 42,309,547.20 and 9,033,859.20 is: 13,552,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,217.60 : 42,309,547.20 = 9,033,859.20 : x
  2. Step 2: Convert to fraction form
    28,202,217.60/42,309,547.20 = 9,033,859.20/x
  3. Step 3: Cross multiply
    28,202,217.60x = 42,309,547.20 × 9,033,859.20
  4. Step 4: Simplify right side
    28,202,217.60x = 382,218,492,220,554.25
  5. Step 5: Solve for x
    x = 382,218,492,220,554.25/28,202,217.60
  6. Step 6: Final answer
    x = 13,552,781.47

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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.