Home / 15,097,881.35-20,835,666.09-8,572,117.97

Finding the Fourth Proportional to 15,097,881.35, 20,835,666.09 and 8,572,117.97

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Solution

The fourth proportional to 15,097,881.35, 20,835,666.09 and 8,572,117.97 is: 11,829,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,881.35 : 20,835,666.09 = 8,572,117.97 : x
  2. Step 2: Convert to fraction form
    15,097,881.35/20,835,666.09 = 8,572,117.97/x
  3. Step 3: Cross multiply
    15,097,881.35x = 20,835,666.09 × 8,572,117.97
  4. Step 4: Simplify right side
    15,097,881.35x = 178,605,787,602,830.31
  5. Step 5: Solve for x
    x = 178,605,787,602,830.31/15,097,881.35
  6. Step 6: Final answer
    x = 11,829,857.68

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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.