Home / 30,812,419.40-46,218,629.10-21,854,467.40

Finding the Fourth Proportional to 30,812,419.40, 46,218,629.10 and 21,854,467.40

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Solution

The fourth proportional to 30,812,419.40, 46,218,629.10 and 21,854,467.40 is: 32,781,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,419.40 : 46,218,629.10 = 21,854,467.40 : x
  2. Step 2: Convert to fraction form
    30,812,419.40/46,218,629.10 = 21,854,467.40/x
  3. Step 3: Cross multiply
    30,812,419.40x = 46,218,629.10 × 21,854,467.40
  4. Step 4: Simplify right side
    30,812,419.40x = 1,010,083,522,938,641.25
  5. Step 5: Solve for x
    x = 1,010,083,522,938,641.25/30,812,419.40
  6. Step 6: Final answer
    x = 32,781,701.10

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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.