Home / 7,128,335.03-10,688,965.07-2,270,008.40

Finding the Fourth Proportional to 7,128,335.03, 10,688,965.07 and 2,270,008.40

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Solution

The fourth proportional to 7,128,335.03, 10,688,965.07 and 2,270,008.40 is: 3,403,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,335.03 : 10,688,965.07 = 2,270,008.40 : x
  2. Step 2: Convert to fraction form
    7,128,335.03/10,688,965.07 = 2,270,008.40/x
  3. Step 3: Cross multiply
    7,128,335.03x = 10,688,965.07 × 2,270,008.40
  4. Step 4: Simplify right side
    7,128,335.03x = 24,264,040,431,411.72
  5. Step 5: Solve for x
    x = 24,264,040,431,411.72/7,128,335.03
  6. Step 6: Final answer
    x = 3,403,886.09

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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.