Home / 15,547,013.78-21,454,953.60-8,577,690.93

Finding the Fourth Proportional to 15,547,013.78, 21,454,953.60 and 8,577,690.93

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Solution

The fourth proportional to 15,547,013.78, 21,454,953.60 and 8,577,690.93 is: 11,837,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,013.78 : 21,454,953.60 = 8,577,690.93 : x
  2. Step 2: Convert to fraction form
    15,547,013.78/21,454,953.60 = 8,577,690.93/x
  3. Step 3: Cross multiply
    15,547,013.78x = 21,454,953.60 × 8,577,690.93
  4. Step 4: Simplify right side
    15,547,013.78x = 184,033,960,930,457.19
  5. Step 5: Solve for x
    x = 184,033,960,930,457.19/15,547,013.78
  6. Step 6: Final answer
    x = 11,837,254.64

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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.