Home / 17,280,547.40-25,920,821.10-5,311,728.20

Finding the Fourth Proportional to 17,280,547.40, 25,920,821.10 and 5,311,728.20

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Solution

The fourth proportional to 17,280,547.40, 25,920,821.10 and 5,311,728.20 is: 7,967,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,547.40 : 25,920,821.10 = 5,311,728.20 : x
  2. Step 2: Convert to fraction form
    17,280,547.40/25,920,821.10 = 5,311,728.20/x
  3. Step 3: Cross multiply
    17,280,547.40x = 25,920,821.10 × 5,311,728.20
  4. Step 4: Simplify right side
    17,280,547.40x = 137,684,356,404,025.03
  5. Step 5: Solve for x
    x = 137,684,356,404,025.03/17,280,547.40
  6. Step 6: Final answer
    x = 7,967,592.30

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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.