Home / 13,452,430.64-18,564,749.16-7,341,253.52

Finding the Fourth Proportional to 13,452,430.64, 18,564,749.16 and 7,341,253.52

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Solution

The fourth proportional to 13,452,430.64, 18,564,749.16 and 7,341,253.52 is: 10,131,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,430.64 : 18,564,749.16 = 7,341,253.52 : x
  2. Step 2: Convert to fraction form
    13,452,430.64/18,564,749.16 = 7,341,253.52/x
  3. Step 3: Cross multiply
    13,452,430.64x = 18,564,749.16 × 7,341,253.52
  4. Step 4: Simplify right side
    13,452,430.64x = 136,288,530,118,767.03
  5. Step 5: Solve for x
    x = 136,288,530,118,767.03/13,452,430.64
  6. Step 6: Final answer
    x = 10,131,145.35

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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.