Home / 15,547,448.48-21,455,422.80-8,671,925.12

Finding the Fourth Proportional to 15,547,448.48, 21,455,422.80 and 8,671,925.12

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Solution

The fourth proportional to 15,547,448.48, 21,455,422.80 and 8,671,925.12 is: 11,967,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,448.48 : 21,455,422.80 = 8,671,925.12 : x
  2. Step 2: Convert to fraction form
    15,547,448.48/21,455,422.80 = 8,671,925.12/x
  3. Step 3: Cross multiply
    15,547,448.48x = 21,455,422.80 × 8,671,925.12
  4. Step 4: Simplify right side
    15,547,448.48x = 186,059,819,939,540.72
  5. Step 5: Solve for x
    x = 186,059,819,939,540.72/15,547,448.48
  6. Step 6: Final answer
    x = 11,967,225.37

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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.