Home / 15,870,651.84-21,862,625.76-11,506,916.16

Finding the Fourth Proportional to 15,870,651.84, 21,862,625.76 and 11,506,916.16

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Solution

The fourth proportional to 15,870,651.84, 21,862,625.76 and 11,506,916.16 is: 15,851,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,651.84 : 21,862,625.76 = 11,506,916.16 : x
  2. Step 2: Convert to fraction form
    15,870,651.84/21,862,625.76 = 11,506,916.16/x
  3. Step 3: Cross multiply
    15,870,651.84x = 21,862,625.76 × 11,506,916.16
  4. Step 4: Simplify right side
    15,870,651.84x = 251,571,401,657,776.31
  5. Step 5: Solve for x
    x = 251,571,401,657,776.31/15,870,651.84
  6. Step 6: Final answer
    x = 15,851,359.11

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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.