Home / 15,816,837.96-21,828,880.33-9,111,401.96

Finding the Fourth Proportional to 15,816,837.96, 21,828,880.33 and 9,111,401.96

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Solution

The fourth proportional to 15,816,837.96, 21,828,880.33 and 9,111,401.96 is: 12,574,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,837.96 : 21,828,880.33 = 9,111,401.96 : x
  2. Step 2: Convert to fraction form
    15,816,837.96/21,828,880.33 = 9,111,401.96/x
  3. Step 3: Cross multiply
    15,816,837.96x = 21,828,880.33 × 9,111,401.96
  4. Step 4: Simplify right side
    15,816,837.96x = 198,891,702,891,444.56
  5. Step 5: Solve for x
    x = 198,891,702,891,444.56/15,816,837.96
  6. Step 6: Final answer
    x = 12,574,681.70

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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.