Home / 15,547,098.54-21,455,070.51-8,577,775.74

Finding the Fourth Proportional to 15,547,098.54, 21,455,070.51 and 8,577,775.74

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Solution

The fourth proportional to 15,547,098.54, 21,455,070.51 and 8,577,775.74 is: 11,837,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,098.54 : 21,455,070.51 = 8,577,775.74 : x
  2. Step 2: Convert to fraction form
    15,547,098.54/21,455,070.51 = 8,577,775.74/x
  3. Step 3: Cross multiply
    15,547,098.54x = 21,455,070.51 × 8,577,775.74
  4. Step 4: Simplify right side
    15,547,098.54x = 184,036,783,320,667.44
  5. Step 5: Solve for x
    x = 184,036,783,320,667.44/15,547,098.54
  6. Step 6: Final answer
    x = 11,837,371.64

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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.