Home / 9,174,697.20-13,772,543.40-5,390,312.40

Finding the Fourth Proportional to 9,174,697.20, 13,772,543.40 and 5,390,312.40

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Solution

The fourth proportional to 9,174,697.20, 13,772,543.40 and 5,390,312.40 is: 8,091,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174,697.20 : 13,772,543.40 = 5,390,312.40 : x
  2. Step 2: Convert to fraction form
    9,174,697.20/13,772,543.40 = 5,390,312.40/x
  3. Step 3: Cross multiply
    9,174,697.20x = 13,772,543.40 × 5,390,312.40
  4. Step 4: Simplify right side
    9,174,697.20x = 74,238,311,468,558.17
  5. Step 5: Solve for x
    x = 74,238,311,468,558.17/9,174,697.20
  6. Step 6: Final answer
    x = 8,091,636.14

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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.