Home / 19,286,615.40-28,918,375.74-6,506,837.16

Finding the Fourth Proportional to 19,286,615.40, 28,918,375.74 and 6,506,837.16

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Solution

The fourth proportional to 19,286,615.40, 28,918,375.74 and 6,506,837.16 is: 9,756,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286,615.40 : 28,918,375.74 = 6,506,837.16 : x
  2. Step 2: Convert to fraction form
    19,286,615.40/28,918,375.74 = 6,506,837.16/x
  3. Step 3: Cross multiply
    19,286,615.40x = 28,918,375.74 × 6,506,837.16
  4. Step 4: Simplify right side
    19,286,615.40x = 188,167,161,871,874.50
  5. Step 5: Solve for x
    x = 188,167,161,871,874.50/19,286,615.40
  6. Step 6: Final answer
    x = 9,756,359.94

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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.