Home / 30,614,643.41-42,248,210.19-16,863,607.54

Finding the Fourth Proportional to 30,614,643.41, 42,248,210.19 and 16,863,607.54

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Solution

The fourth proportional to 30,614,643.41, 42,248,210.19 and 16,863,607.54 is: 23,271,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,643.41 : 42,248,210.19 = 16,863,607.54 : x
  2. Step 2: Convert to fraction form
    30,614,643.41/42,248,210.19 = 16,863,607.54/x
  3. Step 3: Cross multiply
    30,614,643.41x = 42,248,210.19 × 16,863,607.54
  4. Step 4: Simplify right side
    30,614,643.41x = 712,457,235,758,389
  5. Step 5: Solve for x
    x = 712,457,235,758,389/30,614,643.41
  6. Step 6: Final answer
    x = 23,271,779.66

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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.