Home / 7,862,985.60-10,854,268.02-5,286,161.04

Finding the Fourth Proportional to 7,862,985.60, 10,854,268.02 and 5,286,161.04

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Solution

The fourth proportional to 7,862,985.60, 10,854,268.02 and 5,286,161.04 is: 7,297,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862,985.60 : 10,854,268.02 = 5,286,161.04 : x
  2. Step 2: Convert to fraction form
    7,862,985.60/10,854,268.02 = 5,286,161.04/x
  3. Step 3: Cross multiply
    7,862,985.60x = 10,854,268.02 × 5,286,161.04
  4. Step 4: Simplify right side
    7,862,985.60x = 57,377,408,725,041.94
  5. Step 5: Solve for x
    x = 57,377,408,725,041.94/7,862,985.60
  6. Step 6: Final answer
    x = 7,297,152.97

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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.