Home / 15,776,477.49-21,613,672.11-15,186,522.30

Finding the Fourth Proportional to 15,776,477.49, 21,613,672.11 and 15,186,522.30

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Solution

The fourth proportional to 15,776,477.49, 21,613,672.11 and 15,186,522.30 is: 20,805,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,477.49 : 21,613,672.11 = 15,186,522.30 : x
  2. Step 2: Convert to fraction form
    15,776,477.49/21,613,672.11 = 15,186,522.30/x
  3. Step 3: Cross multiply
    15,776,477.49x = 21,613,672.11 × 15,186,522.30
  4. Step 4: Simplify right side
    15,776,477.49x = 328,236,513,483,403.06
  5. Step 5: Solve for x
    x = 328,236,513,483,403.06/15,776,477.49
  6. Step 6: Final answer
    x = 20,805,437.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.