Home / 36,885,387.60-55,363,510.80-18,710,105.40

Finding the Fourth Proportional to 36,885,387.60, 55,363,510.80 and 18,710,105.40

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Solution

The fourth proportional to 36,885,387.60, 55,363,510.80 and 18,710,105.40 is: 28,083,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885,387.60 : 55,363,510.80 = 18,710,105.40 : x
  2. Step 2: Convert to fraction form
    36,885,387.60/55,363,510.80 = 18,710,105.40/x
  3. Step 3: Cross multiply
    36,885,387.60x = 55,363,510.80 × 18,710,105.40
  4. Step 4: Simplify right side
    36,885,387.60x = 1,035,857,122,382,038.12
  5. Step 5: Solve for x
    x = 1,035,857,122,382,038.12/36,885,387.60
  6. Step 6: Final answer
    x = 28,083,129.66

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1.5x scale

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.