Home / 15,364,012.16-21,177,711.98-10,400,888.35

Finding the Fourth Proportional to 15,364,012.16, 21,177,711.98 and 10,400,888.35

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Solution

The fourth proportional to 15,364,012.16, 21,177,711.98 and 10,400,888.35 is: 14,336,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364,012.16 : 21,177,711.98 = 10,400,888.35 : x
  2. Step 2: Convert to fraction form
    15,364,012.16/21,177,711.98 = 10,400,888.35/x
  3. Step 3: Cross multiply
    15,364,012.16x = 21,177,711.98 × 10,400,888.35
  4. Step 4: Simplify right side
    15,364,012.16x = 220,267,017,943,965.19
  5. Step 5: Solve for x
    x = 220,267,017,943,965.19/15,364,012.16
  6. Step 6: Final answer
    x = 14,336,555.82

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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.