Home / 27,639,269.60-38,142,324.60-15,249,362.40

Finding the Fourth Proportional to 27,639,269.60, 38,142,324.60 and 15,249,362.40

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Solution

The fourth proportional to 27,639,269.60, 38,142,324.60 and 15,249,362.40 is: 21,044,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,269.60 : 38,142,324.60 = 15,249,362.40 : x
  2. Step 2: Convert to fraction form
    27,639,269.60/38,142,324.60 = 15,249,362.40/x
  3. Step 3: Cross multiply
    27,639,269.60x = 38,142,324.60 × 15,249,362.40
  4. Step 4: Simplify right side
    27,639,269.60x = 581,646,130,603,835.12
  5. Step 5: Solve for x
    x = 581,646,130,603,835.12/27,639,269.60
  6. Step 6: Final answer
    x = 21,044,193.24

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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.