Home / 19,486,426.40-29,229,639.60-18,702,605.60

Finding the Fourth Proportional to 19,486,426.40, 29,229,639.60 and 18,702,605.60

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Solution

The fourth proportional to 19,486,426.40, 29,229,639.60 and 18,702,605.60 is: 28,053,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,426.40 : 29,229,639.60 = 18,702,605.60 : x
  2. Step 2: Convert to fraction form
    19,486,426.40/29,229,639.60 = 18,702,605.60/x
  3. Step 3: Cross multiply
    19,486,426.40x = 29,229,639.60 × 18,702,605.60
  4. Step 4: Simplify right side
    19,486,426.40x = 546,670,421,268,941.81
  5. Step 5: Solve for x
    x = 546,670,421,268,941.81/19,486,426.40
  6. Step 6: Final answer
    x = 28,053,908.40

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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.