Home / 10,891,656.40-16,343,705.40-7,528,277.20

Finding the Fourth Proportional to 10,891,656.40, 16,343,705.40 and 7,528,277.20

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Solution

The fourth proportional to 10,891,656.40, 16,343,705.40 and 7,528,277.20 is: 11,296,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,656.40 : 16,343,705.40 = 7,528,277.20 : x
  2. Step 2: Convert to fraction form
    10,891,656.40/16,343,705.40 = 7,528,277.20/x
  3. Step 3: Cross multiply
    10,891,656.40x = 16,343,705.40 × 7,528,277.20
  4. Step 4: Simplify right side
    10,891,656.40x = 123,039,944,726,336.89
  5. Step 5: Solve for x
    x = 123,039,944,726,336.89/10,891,656.40
  6. Step 6: Final answer
    x = 11,296,715.60

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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.