Home / 12,991,060.86-17,925,666.93-7,483,359.95

Finding the Fourth Proportional to 12,991,060.86, 17,925,666.93 and 7,483,359.95

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Solution

The fourth proportional to 12,991,060.86, 17,925,666.93 and 7,483,359.95 is: 10,325,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,060.86 : 17,925,666.93 = 7,483,359.95 : x
  2. Step 2: Convert to fraction form
    12,991,060.86/17,925,666.93 = 7,483,359.95/x
  3. Step 3: Cross multiply
    12,991,060.86x = 17,925,666.93 × 7,483,359.95
  4. Step 4: Simplify right side
    12,991,060.86x = 134,144,217,891,373.12
  5. Step 5: Solve for x
    x = 134,144,217,891,373.12/12,991,060.86
  6. Step 6: Final answer
    x = 10,325,886.34

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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.