Home / 30,669,794.16-42,316,767-18,745,589.76

Finding the Fourth Proportional to 30,669,794.16, 42,316,767 and 18,745,589.76

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Solution

The fourth proportional to 30,669,794.16, 42,316,767 and 18,745,589.76 is: 25,864,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669,794.16 : 42,316,767 = 18,745,589.76 : x
  2. Step 2: Convert to fraction form
    30,669,794.16/42,316,767 = 18,745,589.76/x
  3. Step 3: Cross multiply
    30,669,794.16x = 42,316,767 × 18,745,589.76
  4. Step 4: Simplify right side
    30,669,794.16x = 793,252,754,151,506
  5. Step 5: Solve for x
    x = 793,252,754,151,506/30,669,794.16
  6. Step 6: Final answer
    x = 25,864,299.90

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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.