Home / 27,637,124.54-38,139,018.84-15,247,740.13

Finding the Fourth Proportional to 27,637,124.54, 38,139,018.84 and 15,247,740.13

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Solution

The fourth proportional to 27,637,124.54, 38,139,018.84 and 15,247,740.13 is: 21,041,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637,124.54 : 38,139,018.84 = 15,247,740.13 : x
  2. Step 2: Convert to fraction form
    27,637,124.54/38,139,018.84 = 15,247,740.13/x
  3. Step 3: Cross multiply
    27,637,124.54x = 38,139,018.84 × 15,247,740.13
  4. Step 4: Simplify right side
    27,637,124.54x = 581,533,847,990,146.50
  5. Step 5: Solve for x
    x = 581,533,847,990,146.50/27,637,124.54
  6. Step 6: Final answer
    x = 21,041,763.85

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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.