Home / 7,737,777.16-10,666,878.41-5,407,434.63

Finding the Fourth Proportional to 7,737,777.16, 10,666,878.41 and 5,407,434.63

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Solution

The fourth proportional to 7,737,777.16, 10,666,878.41 and 5,407,434.63 is: 7,454,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,777.16 : 10,666,878.41 = 5,407,434.63 : x
  2. Step 2: Convert to fraction form
    7,737,777.16/10,666,878.41 = 5,407,434.63/x
  3. Step 3: Cross multiply
    7,737,777.16x = 10,666,878.41 × 5,407,434.63
  4. Step 4: Simplify right side
    7,737,777.16x = 57,680,447,721,751.92
  5. Step 5: Solve for x
    x = 57,680,447,721,751.92/7,737,777.16
  6. Step 6: Final answer
    x = 7,454,395.05

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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.