Home / 9,178,985.04-12,672,188.28-6,986,308.56

Finding the Fourth Proportional to 9,178,985.04, 12,672,188.28 and 6,986,308.56

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Solution

The fourth proportional to 9,178,985.04, 12,672,188.28 and 6,986,308.56 is: 9,645,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,985.04 : 12,672,188.28 = 6,986,308.56 : x
  2. Step 2: Convert to fraction form
    9,178,985.04/12,672,188.28 = 6,986,308.56/x
  3. Step 3: Cross multiply
    9,178,985.04x = 12,672,188.28 × 6,986,308.56
  4. Step 4: Simplify right side
    9,178,985.04x = 88,531,817,454,495.67
  5. Step 5: Solve for x
    x = 88,531,817,454,495.67/9,178,985.04
  6. Step 6: Final answer
    x = 9,645,055.21

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1.5x scale

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.