Home / 20,430,681.12-30,650,505.84-6,054,875.64

Finding the Fourth Proportional to 20,430,681.12, 30,650,505.84 and 6,054,875.64

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Solution

The fourth proportional to 20,430,681.12, 30,650,505.84 and 6,054,875.64 is: 9,083,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,681.12 : 30,650,505.84 = 6,054,875.64 : x
  2. Step 2: Convert to fraction form
    20,430,681.12/30,650,505.84 = 6,054,875.64/x
  3. Step 3: Cross multiply
    20,430,681.12x = 30,650,505.84 × 6,054,875.64
  4. Step 4: Simplify right side
    20,430,681.12x = 185,585,001,164,293.72
  5. Step 5: Solve for x
    x = 185,585,001,164,293.72/20,430,681.12
  6. Step 6: Final answer
    x = 9,083,642.39

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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.