Home / 15,547,155.16-21,455,148.30-8,577,832.28

Finding the Fourth Proportional to 15,547,155.16, 21,455,148.30 and 8,577,832.28

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Solution

The fourth proportional to 15,547,155.16, 21,455,148.30 and 8,577,832.28 is: 11,837,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,155.16 : 21,455,148.30 = 8,577,832.28 : x
  2. Step 2: Convert to fraction form
    15,547,155.16/21,455,148.30 = 8,577,832.28/x
  3. Step 3: Cross multiply
    15,547,155.16x = 21,455,148.30 × 8,577,832.28
  4. Step 4: Simplify right side
    15,547,155.16x = 184,038,663,659,927.12
  5. Step 5: Solve for x
    x = 184,038,663,659,927.12/15,547,155.16
  6. Step 6: Final answer
    x = 11,837,449.47

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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.