Home / 9,315,428.72-12,855,159.95-5,241,038

Finding the Fourth Proportional to 9,315,428.72, 12,855,159.95 and 5,241,038

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Solution

The fourth proportional to 9,315,428.72, 12,855,159.95 and 5,241,038 is: 7,232,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,428.72 : 12,855,159.95 = 5,241,038 : x
  2. Step 2: Convert to fraction form
    9,315,428.72/12,855,159.95 = 5,241,038/x
  3. Step 3: Cross multiply
    9,315,428.72x = 12,855,159.95 × 5,241,038
  4. Step 4: Simplify right side
    9,315,428.72x = 67,374,381,767,822.91
  5. Step 5: Solve for x
    x = 67,374,381,767,822.91/9,315,428.72
  6. Step 6: Final answer
    x = 7,232,558.35

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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.