Home / 7,156,779.11-9,875,617.83-4,255,609.40

Finding the Fourth Proportional to 7,156,779.11, 9,875,617.83 and 4,255,609.40

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Solution

The fourth proportional to 7,156,779.11, 9,875,617.83 and 4,255,609.40 is: 5,872,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,779.11 : 9,875,617.83 = 4,255,609.40 : x
  2. Step 2: Convert to fraction form
    7,156,779.11/9,875,617.83 = 4,255,609.40/x
  3. Step 3: Cross multiply
    7,156,779.11x = 9,875,617.83 × 4,255,609.40
  4. Step 4: Simplify right side
    7,156,779.11x = 42,026,772,018,777.51
  5. Step 5: Solve for x
    x = 42,026,772,018,777.51/7,156,779.11
  6. Step 6: Final answer
    x = 5,872,302.53

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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.