Home / 15,547,123.41-21,455,104.49-8,577,800.52

Finding the Fourth Proportional to 15,547,123.41, 21,455,104.49 and 8,577,800.52

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Solution

The fourth proportional to 15,547,123.41, 21,455,104.49 and 8,577,800.52 is: 11,837,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,123.41 : 21,455,104.49 = 8,577,800.52 : x
  2. Step 2: Convert to fraction form
    15,547,123.41/21,455,104.49 = 8,577,800.52/x
  3. Step 3: Cross multiply
    15,547,123.41x = 21,455,104.49 × 8,577,800.52
  4. Step 4: Simplify right side
    15,547,123.41x = 184,037,606,450,976.31
  5. Step 5: Solve for x
    x = 184,037,606,450,976.31/15,547,123.41
  6. Step 6: Final answer
    x = 11,837,405.65

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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.