Home / 12,547,542.60-18,821,313.90-9,358,896.60

Finding the Fourth Proportional to 12,547,542.60, 18,821,313.90 and 9,358,896.60

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Solution

The fourth proportional to 12,547,542.60, 18,821,313.90 and 9,358,896.60 is: 14,038,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,542.60 : 18,821,313.90 = 9,358,896.60 : x
  2. Step 2: Convert to fraction form
    12,547,542.60/18,821,313.90 = 9,358,896.60/x
  3. Step 3: Cross multiply
    12,547,542.60x = 18,821,313.90 × 9,358,896.60
  4. Step 4: Simplify right side
    12,547,542.60x = 176,146,730,666,242.72
  5. Step 5: Solve for x
    x = 176,146,730,666,242.72/12,547,542.60
  6. Step 6: Final answer
    x = 14,038,344.90

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1.5x scale

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.