Home / 12,235,312.71-16,884,345.04-6,728,670.57

Finding the Fourth Proportional to 12,235,312.71, 16,884,345.04 and 6,728,670.57

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Solution

The fourth proportional to 12,235,312.71, 16,884,345.04 and 6,728,670.57 is: 9,285,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,312.71 : 16,884,345.04 = 6,728,670.57 : x
  2. Step 2: Convert to fraction form
    12,235,312.71/16,884,345.04 = 6,728,670.57/x
  3. Step 3: Cross multiply
    12,235,312.71x = 16,884,345.04 × 6,728,670.57
  4. Step 4: Simplify right side
    12,235,312.71x = 113,609,195,564,373.47
  5. Step 5: Solve for x
    x = 113,609,195,564,373.47/12,235,312.71
  6. Step 6: Final answer
    x = 9,285,352.84

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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.