Home / 15,497,039.53-21,386,111.30-8,528,519.42

Finding the Fourth Proportional to 15,497,039.53, 21,386,111.30 and 8,528,519.42

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Solution

The fourth proportional to 15,497,039.53, 21,386,111.30 and 8,528,519.42 is: 11,769,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,039.53 : 21,386,111.30 = 8,528,519.42 : x
  2. Step 2: Convert to fraction form
    15,497,039.53/21,386,111.30 = 8,528,519.42/x
  3. Step 3: Cross multiply
    15,497,039.53x = 21,386,111.30 × 8,528,519.42
  4. Step 4: Simplify right side
    15,497,039.53x = 182,391,865,390,758.28
  5. Step 5: Solve for x
    x = 182,391,865,390,758.28/15,497,039.53
  6. Step 6: Final answer
    x = 11,769,465.07

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1.5x scale

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.