Home / 19,160,919.47-28,730,745.53-6,374,444.15

Finding the Fourth Proportional to 19,160,919.47, 28,730,745.53 and 6,374,444.15

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Solution

The fourth proportional to 19,160,919.47, 28,730,745.53 and 6,374,444.15 is: 9,558,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160,919.47 : 28,730,745.53 = 6,374,444.15 : x
  2. Step 2: Convert to fraction form
    19,160,919.47/28,730,745.53 = 6,374,444.15/x
  3. Step 3: Cross multiply
    19,160,919.47x = 28,730,745.53 × 6,374,444.15
  4. Step 4: Simplify right side
    19,160,919.47x = 183,142,532,832,705.94
  5. Step 5: Solve for x
    x = 183,142,532,832,705.94/19,160,919.47
  6. Step 6: Final answer
    x = 9,558,128.62

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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.