Home / 18,740,159.70-28,048,031.55-13,607,999.70

Finding the Fourth Proportional to 18,740,159.70, 28,048,031.55 and 13,607,999.70

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Solution

The fourth proportional to 18,740,159.70, 28,048,031.55 and 13,607,999.70 is: 20,366,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,159.70 : 28,048,031.55 = 13,607,999.70 : x
  2. Step 2: Convert to fraction form
    18,740,159.70/28,048,031.55 = 13,607,999.70/x
  3. Step 3: Cross multiply
    18,740,159.70x = 28,048,031.55 × 13,607,999.70
  4. Step 4: Simplify right side
    18,740,159.70x = 381,677,604,917,990.50
  5. Step 5: Solve for x
    x = 381,677,604,917,990.50/18,740,159.70
  6. Step 6: Final answer
    x = 20,366,827.77

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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.