Home / 15,762,263.76-21,751,430.40-9,240,237

Finding the Fourth Proportional to 15,762,263.76, 21,751,430.40 and 9,240,237

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Solution

The fourth proportional to 15,762,263.76, 21,751,430.40 and 9,240,237 is: 12,751,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,263.76 : 21,751,430.40 = 9,240,237 : x
  2. Step 2: Convert to fraction form
    15,762,263.76/21,751,430.40 = 9,240,237/x
  3. Step 3: Cross multiply
    15,762,263.76x = 21,751,430.40 × 9,240,237
  4. Step 4: Simplify right side
    15,762,263.76x = 200,988,371,985,004.78
  5. Step 5: Solve for x
    x = 200,988,371,985,004.78/15,762,263.76
  6. Step 6: Final answer
    x = 12,751,237.71

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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.