Home / 9,110,542.16-12,572,697.60-5,439,779.50

Finding the Fourth Proportional to 9,110,542.16, 12,572,697.60 and 5,439,779.50

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Solution

The fourth proportional to 9,110,542.16, 12,572,697.60 and 5,439,779.50 is: 7,506,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110,542.16 : 12,572,697.60 = 5,439,779.50 : x
  2. Step 2: Convert to fraction form
    9,110,542.16/12,572,697.60 = 5,439,779.50/x
  3. Step 3: Cross multiply
    9,110,542.16x = 12,572,697.60 × 5,439,779.50
  4. Step 4: Simplify right side
    9,110,542.16x = 68,392,702,632,747.45
  5. Step 5: Solve for x
    x = 68,392,702,632,747.45/9,110,542.16
  6. Step 6: Final answer
    x = 7,506,984.93

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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.