Home / 15,009,702.77-20,713,407.53-8,134,184.83

Finding the Fourth Proportional to 15,009,702.77, 20,713,407.53 and 8,134,184.83

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Solution

The fourth proportional to 15,009,702.77, 20,713,407.53 and 8,134,184.83 is: 11,225,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,702.77 : 20,713,407.53 = 8,134,184.83 : x
  2. Step 2: Convert to fraction form
    15,009,702.77/20,713,407.53 = 8,134,184.83/x
  3. Step 3: Cross multiply
    15,009,702.77x = 20,713,407.53 × 8,134,184.83
  4. Step 4: Simplify right side
    15,009,702.77x = 168,486,685,308,133.78
  5. Step 5: Solve for x
    x = 168,486,685,308,133.78/15,009,702.77
  6. Step 6: Final answer
    x = 11,225,184.66

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1.5x scale

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.