Home / 7,243,820.30-10,865,730.45-4,374,038.90

Finding the Fourth Proportional to 7,243,820.30, 10,865,730.45 and 4,374,038.90

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Solution

The fourth proportional to 7,243,820.30, 10,865,730.45 and 4,374,038.90 is: 6,561,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,820.30 : 10,865,730.45 = 4,374,038.90 : x
  2. Step 2: Convert to fraction form
    7,243,820.30/10,865,730.45 = 4,374,038.90/x
  3. Step 3: Cross multiply
    7,243,820.30x = 10,865,730.45 × 4,374,038.90
  4. Step 4: Simplify right side
    7,243,820.30x = 47,527,127,665,214.51
  5. Step 5: Solve for x
    x = 47,527,127,665,214.51/7,243,820.30
  6. Step 6: Final answer
    x = 6,561,058.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.