Home / 11,918,205.46-17,877,368.44-3,720,160.46

Finding the Fourth Proportional to 11,918,205.46, 17,877,368.44 and 3,720,160.46

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Solution

The fourth proportional to 11,918,205.46, 17,877,368.44 and 3,720,160.46 is: 5,580,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,205.46 : 17,877,368.44 = 3,720,160.46 : x
  2. Step 2: Convert to fraction form
    11,918,205.46/17,877,368.44 = 3,720,160.46/x
  3. Step 3: Cross multiply
    11,918,205.46x = 17,877,368.44 × 3,720,160.46
  4. Step 4: Simplify right side
    11,918,205.46x = 66,506,679,248,683.50
  5. Step 5: Solve for x
    x = 66,506,679,248,683.50/11,918,205.46
  6. Step 6: Final answer
    x = 5,580,259.50

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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.