Home / 30,385,463.73-41,931,938.75-16,634,427.86

Finding the Fourth Proportional to 30,385,463.73, 41,931,938.75 and 16,634,427.86

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Solution

The fourth proportional to 30,385,463.73, 41,931,938.75 and 16,634,427.86 is: 22,955,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385,463.73 : 41,931,938.75 = 16,634,427.86 : x
  2. Step 2: Convert to fraction form
    30,385,463.73/41,931,938.75 = 16,634,427.86/x
  3. Step 3: Cross multiply
    30,385,463.73x = 41,931,938.75 × 16,634,427.86
  4. Step 4: Simplify right side
    30,385,463.73x = 697,513,809,873,981.75
  5. Step 5: Solve for x
    x = 697,513,809,873,981.75/30,385,463.73
  6. Step 6: Final answer
    x = 22,955,509.78

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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.