Home / 18,875,671.17-28,175,707.25-16,197,208.53

Finding the Fourth Proportional to 18,875,671.17, 28,175,707.25 and 16,197,208.53

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Solution

The fourth proportional to 18,875,671.17, 28,175,707.25 and 16,197,208.53 is: 24,177,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,671.17 : 28,175,707.25 = 16,197,208.53 : x
  2. Step 2: Convert to fraction form
    18,875,671.17/28,175,707.25 = 16,197,208.53/x
  3. Step 3: Cross multiply
    18,875,671.17x = 28,175,707.25 × 16,197,208.53
  4. Step 4: Simplify right side
    18,875,671.17x = 456,367,805,808,482.81
  5. Step 5: Solve for x
    x = 456,367,805,808,482.81/18,875,671.17
  6. Step 6: Final answer
    x = 24,177,567.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.