Home / 13,124,301.36-18,108,633.42-7,614,483.72

Finding the Fourth Proportional to 13,124,301.36, 18,108,633.42 and 7,614,483.72

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Solution

The fourth proportional to 13,124,301.36, 18,108,633.42 and 7,614,483.72 is: 10,506,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,301.36 : 18,108,633.42 = 7,614,483.72 : x
  2. Step 2: Convert to fraction form
    13,124,301.36/18,108,633.42 = 7,614,483.72/x
  3. Step 3: Cross multiply
    13,124,301.36x = 18,108,633.42 × 7,614,483.72
  4. Step 4: Simplify right side
    13,124,301.36x = 137,887,894,368,037.94
  5. Step 5: Solve for x
    x = 137,887,894,368,037.94/13,124,301.36
  6. Step 6: Final answer
    x = 10,506,303.58

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1.5x scale

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.