Home / 7,737,777.18-10,666,878.44-5,407,434.63

Finding the Fourth Proportional to 7,737,777.18, 10,666,878.44 and 5,407,434.63

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Solution

The fourth proportional to 7,737,777.18, 10,666,878.44 and 5,407,434.63 is: 7,454,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,777.18 : 10,666,878.44 = 5,407,434.63 : x
  2. Step 2: Convert to fraction form
    7,737,777.18/10,666,878.44 = 5,407,434.63/x
  3. Step 3: Cross multiply
    7,737,777.18x = 10,666,878.44 × 5,407,434.63
  4. Step 4: Simplify right side
    7,737,777.18x = 57,680,447,843,419.20
  5. Step 5: Solve for x
    x = 57,680,447,843,419.20/7,737,777.18
  6. Step 6: Final answer
    x = 7,454,395.04

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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.