Home / 12,875,248.96-17,783,562.36-9,626,471.40

Finding the Fourth Proportional to 12,875,248.96, 17,783,562.36 and 9,626,471.40

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Solution

The fourth proportional to 12,875,248.96, 17,783,562.36 and 9,626,471.40 is: 13,296,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,248.96 : 17,783,562.36 = 9,626,471.40 : x
  2. Step 2: Convert to fraction form
    12,875,248.96/17,783,562.36 = 9,626,471.40/x
  3. Step 3: Cross multiply
    12,875,248.96x = 17,783,562.36 × 9,626,471.40
  4. Step 4: Simplify right side
    12,875,248.96x = 171,192,954,448,656.50
  5. Step 5: Solve for x
    x = 171,192,954,448,656.50/12,875,248.96
  6. Step 6: Final answer
    x = 13,296,283.05

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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.