Home / 27,639,268.60-38,142,323.22-15,249,361.40

Finding the Fourth Proportional to 27,639,268.60, 38,142,323.22 and 15,249,361.40

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Solution

The fourth proportional to 27,639,268.60, 38,142,323.22 and 15,249,361.40 is: 21,044,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,268.60 : 38,142,323.22 = 15,249,361.40 : x
  2. Step 2: Convert to fraction form
    27,639,268.60/38,142,323.22 = 15,249,361.40/x
  3. Step 3: Cross multiply
    27,639,268.60x = 38,142,323.22 × 15,249,361.40
  4. Step 4: Simplify right side
    27,639,268.60x = 581,646,071,417,391.75
  5. Step 5: Solve for x
    x = 581,646,071,417,391.75/27,639,268.60
  6. Step 6: Final answer
    x = 21,044,191.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.