Home / 27,269,970.30-40,904,955.45-12,921,063.30

Finding the Fourth Proportional to 27,269,970.30, 40,904,955.45 and 12,921,063.30

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Solution

The fourth proportional to 27,269,970.30, 40,904,955.45 and 12,921,063.30 is: 19,381,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269,970.30 : 40,904,955.45 = 12,921,063.30 : x
  2. Step 2: Convert to fraction form
    27,269,970.30/40,904,955.45 = 12,921,063.30/x
  3. Step 3: Cross multiply
    27,269,970.30x = 40,904,955.45 × 12,921,063.30
  4. Step 4: Simplify right side
    27,269,970.30x = 528,535,518,653,130.06
  5. Step 5: Solve for x
    x = 528,535,518,653,130.06/27,269,970.30
  6. Step 6: Final answer
    x = 19,381,594.95

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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.