Home / 15,585,574.19-21,509,047.28-8,710,605.23

Finding the Fourth Proportional to 15,585,574.19, 21,509,047.28 and 8,710,605.23

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Solution

The fourth proportional to 15,585,574.19, 21,509,047.28 and 8,710,605.23 is: 12,021,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,574.19 : 21,509,047.28 = 8,710,605.23 : x
  2. Step 2: Convert to fraction form
    15,585,574.19/21,509,047.28 = 8,710,605.23/x
  3. Step 3: Cross multiply
    15,585,574.19x = 21,509,047.28 × 8,710,605.23
  4. Step 4: Simplify right side
    15,585,574.19x = 187,356,819,685,932.25
  5. Step 5: Solve for x
    x = 187,356,819,685,932.25/15,585,574.19
  6. Step 6: Final answer
    x = 12,021,168.90

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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.