Home / 9,111,393.12-12,573,984.95-5,037,274.56

Finding the Fourth Proportional to 9,111,393.12, 12,573,984.95 and 5,037,274.56

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Solution

The fourth proportional to 9,111,393.12, 12,573,984.95 and 5,037,274.56 is: 6,951,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,393.12 : 12,573,984.95 = 5,037,274.56 : x
  2. Step 2: Convert to fraction form
    9,111,393.12/12,573,984.95 = 5,037,274.56/x
  3. Step 3: Cross multiply
    9,111,393.12x = 12,573,984.95 × 5,037,274.56
  4. Step 4: Simplify right side
    9,111,393.12x = 63,338,614,506,457.86
  5. Step 5: Solve for x
    x = 63,338,614,506,457.86/9,111,393.12
  6. Step 6: Final answer
    x = 6,951,583.99

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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.