Home / 15,582,989.59-21,506,661.74-8,967,442.16

Finding the Fourth Proportional to 15,582,989.59, 21,506,661.74 and 8,967,442.16

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Solution

The fourth proportional to 15,582,989.59, 21,506,661.74 and 8,967,442.16 is: 12,376,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,989.59 : 21,506,661.74 = 8,967,442.16 : x
  2. Step 2: Convert to fraction form
    15,582,989.59/21,506,661.74 = 8,967,442.16/x
  3. Step 3: Cross multiply
    15,582,989.59x = 21,506,661.74 × 8,967,442.16
  4. Step 4: Simplify right side
    15,582,989.59x = 192,859,745,284,320.22
  5. Step 5: Solve for x
    x = 192,859,745,284,320.22/15,582,989.59
  6. Step 6: Final answer
    x = 12,376,299.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.