Home / 11,921,547-17,884,985.94-4,348,512.48

Finding the Fourth Proportional to 11,921,547, 17,884,985.94 and 4,348,512.48

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Solution

The fourth proportional to 11,921,547, 17,884,985.94 and 4,348,512.48 is: 6,523,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,547 : 17,884,985.94 = 4,348,512.48 : x
  2. Step 2: Convert to fraction form
    11,921,547/17,884,985.94 = 4,348,512.48/x
  3. Step 3: Cross multiply
    11,921,547x = 17,884,985.94 × 4,348,512.48
  4. Step 4: Simplify right side
    11,921,547x = 77,773,084,564,714.55
  5. Step 5: Solve for x
    x = 77,773,084,564,714.55/11,921,547
  6. Step 6: Final answer
    x = 6,523,740.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.