Home / 30,614,652.51-42,248,222.76-16,863,616.65

Finding the Fourth Proportional to 30,614,652.51, 42,248,222.76 and 16,863,616.65

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Solution

The fourth proportional to 30,614,652.51, 42,248,222.76 and 16,863,616.65 is: 23,271,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,652.51 : 42,248,222.76 = 16,863,616.65 : x
  2. Step 2: Convert to fraction form
    30,614,652.51/42,248,222.76 = 16,863,616.65/x
  3. Step 3: Cross multiply
    30,614,652.51x = 42,248,222.76 × 16,863,616.65
  4. Step 4: Simplify right side
    30,614,652.51x = 712,457,832,768,444.88
  5. Step 5: Solve for x
    x = 712,457,832,768,444.88/30,614,652.51
  6. Step 6: Final answer
    x = 23,271,792.24

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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.