Home / 30,448,829.06-42,019,339.14-16,510,158.83

Finding the Fourth Proportional to 30,448,829.06, 42,019,339.14 and 16,510,158.83

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Solution

The fourth proportional to 30,448,829.06, 42,019,339.14 and 16,510,158.83 is: 22,783,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,829.06 : 42,019,339.14 = 16,510,158.83 : x
  2. Step 2: Convert to fraction form
    30,448,829.06/42,019,339.14 = 16,510,158.83/x
  3. Step 3: Cross multiply
    30,448,829.06x = 42,019,339.14 × 16,510,158.83
  4. Step 4: Simplify right side
    30,448,829.06x = 693,745,963,227,565.38
  5. Step 5: Solve for x
    x = 693,745,963,227,565.38/30,448,829.06
  6. Step 6: Final answer
    x = 22,783,994.81

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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.