Home / 8,989,681.65-13,486,272.08-2,600,142.45

Finding the Fourth Proportional to 8,989,681.65, 13,486,272.08 and 2,600,142.45

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Solution

The fourth proportional to 8,989,681.65, 13,486,272.08 and 2,600,142.45 is: 3,900,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,681.65 : 13,486,272.08 = 2,600,142.45 : x
  2. Step 2: Convert to fraction form
    8,989,681.65/13,486,272.08 = 2,600,142.45/x
  3. Step 3: Cross multiply
    8,989,681.65x = 13,486,272.08 × 2,600,142.45
  4. Step 4: Simplify right side
    8,989,681.65x = 35,066,228,514,457.09
  5. Step 5: Solve for x
    x = 35,066,228,514,457.09/8,989,681.65
  6. Step 6: Final answer
    x = 3,900,719.72

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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.