Home / 7,185,867.86-9,915,170.93-4,088,210.40

Finding the Fourth Proportional to 7,185,867.86, 9,915,170.93 and 4,088,210.40

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Solution

The fourth proportional to 7,185,867.86, 9,915,170.93 and 4,088,210.40 is: 5,640,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,867.86 : 9,915,170.93 = 4,088,210.40 : x
  2. Step 2: Convert to fraction form
    7,185,867.86/9,915,170.93 = 4,088,210.40/x
  3. Step 3: Cross multiply
    7,185,867.86x = 9,915,170.93 × 4,088,210.40
  4. Step 4: Simplify right side
    7,185,867.86x = 40,535,304,913,803.67
  5. Step 5: Solve for x
    x = 40,535,304,913,803.67/7,185,867.86
  6. Step 6: Final answer
    x = 5,640,975.55

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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.