Home / 9,139,607.04-12,609,775.68-5,271,609.60

Finding the Fourth Proportional to 9,139,607.04, 12,609,775.68 and 5,271,609.60

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Solution

The fourth proportional to 9,139,607.04, 12,609,775.68 and 5,271,609.60 is: 7,273,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,607.04 : 12,609,775.68 = 5,271,609.60 : x
  2. Step 2: Convert to fraction form
    9,139,607.04/12,609,775.68 = 5,271,609.60/x
  3. Step 3: Cross multiply
    9,139,607.04x = 12,609,775.68 × 5,271,609.60
  4. Step 4: Simplify right side
    9,139,607.04x = 66,473,814,528,534.52
  5. Step 5: Solve for x
    x = 66,473,814,528,534.52/9,139,607.04
  6. Step 6: Final answer
    x = 7,273,158.93

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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.