Home / 11,547,745.12-15,935,398.32-6,390,624.16

Finding the Fourth Proportional to 11,547,745.12, 15,935,398.32 and 6,390,624.16

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Solution

The fourth proportional to 11,547,745.12, 15,935,398.32 and 6,390,624.16 is: 8,818,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547,745.12 : 15,935,398.32 = 6,390,624.16 : x
  2. Step 2: Convert to fraction form
    11,547,745.12/15,935,398.32 = 6,390,624.16/x
  3. Step 3: Cross multiply
    11,547,745.12x = 15,935,398.32 × 6,390,624.16
  4. Step 4: Simplify right side
    11,547,745.12x = 101,837,141,503,015.42
  5. Step 5: Solve for x
    x = 101,837,141,503,015.42/11,547,745.12
  6. Step 6: Final answer
    x = 8,818,790.20

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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.