Home / 15,762,878.69-21,752,762.76-8,519,534.69

Finding the Fourth Proportional to 15,762,878.69, 21,752,762.76 and 8,519,534.69

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Solution

The fourth proportional to 15,762,878.69, 21,752,762.76 and 8,519,534.69 is: 11,756,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,878.69 : 21,752,762.76 = 8,519,534.69 : x
  2. Step 2: Convert to fraction form
    15,762,878.69/21,752,762.76 = 8,519,534.69/x
  3. Step 3: Cross multiply
    15,762,878.69x = 21,752,762.76 × 8,519,534.69
  4. Step 4: Simplify right side
    15,762,878.69x = 185,323,416,828,396.34
  5. Step 5: Solve for x
    x = 185,323,416,828,396.34/15,762,878.69
  6. Step 6: Final answer
    x = 11,756,952.55

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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.