Home / 9,179,465.40-13,771,271.70-5,390,998.20

Finding the Fourth Proportional to 9,179,465.40, 13,771,271.70 and 5,390,998.20

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Solution

The fourth proportional to 9,179,465.40, 13,771,271.70 and 5,390,998.20 is: 8,087,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,465.40 : 13,771,271.70 = 5,390,998.20 : x
  2. Step 2: Convert to fraction form
    9,179,465.40/13,771,271.70 = 5,390,998.20/x
  3. Step 3: Cross multiply
    9,179,465.40x = 13,771,271.70 × 5,390,998.20
  4. Step 4: Simplify right side
    9,179,465.40x = 74,240,900,946,410.94
  5. Step 5: Solve for x
    x = 74,240,900,946,410.94/9,179,465.40
  6. Step 6: Final answer
    x = 8,087,715.10

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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.