Home / 13,851,484.83-19,116,947.96-7,970,998.16

Finding the Fourth Proportional to 13,851,484.83, 19,116,947.96 and 7,970,998.16

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Solution

The fourth proportional to 13,851,484.83, 19,116,947.96 and 7,970,998.16 is: 11,001,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,484.83 : 19,116,947.96 = 7,970,998.16 : x
  2. Step 2: Convert to fraction form
    13,851,484.83/19,116,947.96 = 7,970,998.16/x
  3. Step 3: Cross multiply
    13,851,484.83x = 19,116,947.96 × 7,970,998.16
  4. Step 4: Simplify right side
    13,851,484.83x = 152,381,156,878,536
  5. Step 5: Solve for x
    x = 152,381,156,878,536/13,851,484.83
  6. Step 6: Final answer
    x = 11,001,070.19

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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.