Home / 15,661,378.90-23,492,068.35-8,486,925.40

Finding the Fourth Proportional to 15,661,378.90, 23,492,068.35 and 8,486,925.40

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Solution

The fourth proportional to 15,661,378.90, 23,492,068.35 and 8,486,925.40 is: 12,730,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,378.90 : 23,492,068.35 = 8,486,925.40 : x
  2. Step 2: Convert to fraction form
    15,661,378.90/23,492,068.35 = 8,486,925.40/x
  3. Step 3: Cross multiply
    15,661,378.90x = 23,492,068.35 × 8,486,925.40
  4. Step 4: Simplify right side
    15,661,378.90x = 199,375,431,578,151.12
  5. Step 5: Solve for x
    x = 199,375,431,578,151.12/15,661,378.90
  6. Step 6: Final answer
    x = 12,730,388.10

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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.