Home / 15,359,364.68-21,195,518.55-8,483,699.12

Finding the Fourth Proportional to 15,359,364.68, 21,195,518.55 and 8,483,699.12

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Solution

The fourth proportional to 15,359,364.68, 21,195,518.55 and 8,483,699.12 is: 11,707,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,364.68 : 21,195,518.55 = 8,483,699.12 : x
  2. Step 2: Convert to fraction form
    15,359,364.68/21,195,518.55 = 8,483,699.12/x
  3. Step 3: Cross multiply
    15,359,364.68x = 21,195,518.55 × 8,483,699.12
  4. Step 4: Simplify right side
    15,359,364.68x = 179,816,402,070,578.66
  5. Step 5: Solve for x
    x = 179,816,402,070,578.66/15,359,364.68
  6. Step 6: Final answer
    x = 11,707,281.25

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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.