Home / 15,009,702.43-20,713,407.08-8,134,184.49

Finding the Fourth Proportional to 15,009,702.43, 20,713,407.08 and 8,134,184.49

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Solution

The fourth proportional to 15,009,702.43, 20,713,407.08 and 8,134,184.49 is: 11,225,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,702.43 : 20,713,407.08 = 8,134,184.49 : x
  2. Step 2: Convert to fraction form
    15,009,702.43/20,713,407.08 = 8,134,184.49/x
  3. Step 3: Cross multiply
    15,009,702.43x = 20,713,407.08 × 8,134,184.49
  4. Step 4: Simplify right side
    15,009,702.43x = 168,486,674,605,192.19
  5. Step 5: Solve for x
    x = 168,486,674,605,192.19/15,009,702.43
  6. Step 6: Final answer
    x = 11,225,184.20

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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.