Home / 15,249,986.86-21,039,721.18-9,746,583.15

Finding the Fourth Proportional to 15,249,986.86, 21,039,721.18 and 9,746,583.15

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Solution

The fourth proportional to 15,249,986.86, 21,039,721.18 and 9,746,583.15 is: 13,446,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,986.86 : 21,039,721.18 = 9,746,583.15 : x
  2. Step 2: Convert to fraction form
    15,249,986.86/21,039,721.18 = 9,746,583.15/x
  3. Step 3: Cross multiply
    15,249,986.86x = 21,039,721.18 × 9,746,583.15
  4. Step 4: Simplify right side
    15,249,986.86x = 205,065,391,933,686.12
  5. Step 5: Solve for x
    x = 205,065,391,933,686.12/15,249,986.86
  6. Step 6: Final answer
    x = 13,446,922.53

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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.