Home / 10,314,823.80-15,440,742.90-8,047,342.20

Finding the Fourth Proportional to 10,314,823.80, 15,440,742.90 and 8,047,342.20

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Solution

The fourth proportional to 10,314,823.80, 15,440,742.90 and 8,047,342.20 is: 12,046,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,823.80 : 15,440,742.90 = 8,047,342.20 : x
  2. Step 2: Convert to fraction form
    10,314,823.80/15,440,742.90 = 8,047,342.20/x
  3. Step 3: Cross multiply
    10,314,823.80x = 15,440,742.90 × 8,047,342.20
  4. Step 4: Simplify right side
    10,314,823.80x = 124,256,941,938,520.39
  5. Step 5: Solve for x
    x = 124,256,941,938,520.39/10,314,823.80
  6. Step 6: Final answer
    x = 12,046,443.48

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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.