Home / 30,513,286.16-42,109,094.20-16,574,636.87

Finding the Fourth Proportional to 30,513,286.16, 42,109,094.20 and 16,574,636.87

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Solution

The fourth proportional to 30,513,286.16, 42,109,094.20 and 16,574,636.87 is: 22,873,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513,286.16 : 42,109,094.20 = 16,574,636.87 : x
  2. Step 2: Convert to fraction form
    30,513,286.16/42,109,094.20 = 16,574,636.87/x
  3. Step 3: Cross multiply
    30,513,286.16x = 42,109,094.20 × 16,574,636.87
  4. Step 4: Simplify right side
    30,513,286.16x = 697,942,945,353,459.25
  5. Step 5: Solve for x
    x = 697,942,945,353,459.25/30,513,286.16
  6. Step 6: Final answer
    x = 22,873,411.33

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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.