Home / 15,570,378.35-21,482,807.47-8,954,606.15

Finding the Fourth Proportional to 15,570,378.35, 21,482,807.47 and 8,954,606.15

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Solution

The fourth proportional to 15,570,378.35, 21,482,807.47 and 8,954,606.15 is: 12,354,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,378.35 : 21,482,807.47 = 8,954,606.15 : x
  2. Step 2: Convert to fraction form
    15,570,378.35/21,482,807.47 = 8,954,606.15/x
  3. Step 3: Cross multiply
    15,570,378.35x = 21,482,807.47 × 8,954,606.15
  4. Step 4: Simplify right side
    15,570,378.35x = 192,370,079,890,127.94
  5. Step 5: Solve for x
    x = 192,370,079,890,127.94/15,570,378.35
  6. Step 6: Final answer
    x = 12,354,875.11

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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.