Home / 11,402,125.28-15,708,364.08-7,958,290.40

Finding the Fourth Proportional to 11,402,125.28, 15,708,364.08 and 7,958,290.40

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Solution

The fourth proportional to 11,402,125.28, 15,708,364.08 and 7,958,290.40 is: 10,963,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402,125.28 : 15,708,364.08 = 7,958,290.40 : x
  2. Step 2: Convert to fraction form
    11,402,125.28/15,708,364.08 = 7,958,290.40/x
  3. Step 3: Cross multiply
    11,402,125.28x = 15,708,364.08 × 7,958,290.40
  4. Step 4: Simplify right side
    11,402,125.28x = 125,011,723,057,568.84
  5. Step 5: Solve for x
    x = 125,011,723,057,568.84/11,402,125.28
  6. Step 6: Final answer
    x = 10,963,896.64

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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.