Home / 22,318,440.39-30,799,431.95-12,528,903.51

Finding the Fourth Proportional to 22,318,440.39, 30,799,431.95 and 12,528,903.51

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Solution

The fourth proportional to 22,318,440.39, 30,799,431.95 and 12,528,903.51 is: 17,289,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318,440.39 : 30,799,431.95 = 12,528,903.51 : x
  2. Step 2: Convert to fraction form
    22,318,440.39/30,799,431.95 = 12,528,903.51/x
  3. Step 3: Cross multiply
    22,318,440.39x = 30,799,431.95 × 12,528,903.51
  4. Step 4: Simplify right side
    22,318,440.39x = 385,883,111,001,716.62
  5. Step 5: Solve for x
    x = 385,883,111,001,716.62/22,318,440.39
  6. Step 6: Final answer
    x = 17,289,877.98

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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.