Home / 15,501,668.10-23,252,502.15-12,138,749.70

Finding the Fourth Proportional to 15,501,668.10, 23,252,502.15 and 12,138,749.70

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Solution

The fourth proportional to 15,501,668.10, 23,252,502.15 and 12,138,749.70 is: 18,208,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,668.10 : 23,252,502.15 = 12,138,749.70 : x
  2. Step 2: Convert to fraction form
    15,501,668.10/23,252,502.15 = 12,138,749.70/x
  3. Step 3: Cross multiply
    15,501,668.10x = 23,252,502.15 × 12,138,749.70
  4. Step 4: Simplify right side
    15,501,668.10x = 282,256,303,497,561.81
  5. Step 5: Solve for x
    x = 282,256,303,497,561.81/15,501,668.10
  6. Step 6: Final answer
    x = 18,208,124.55

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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.