Home / 18,139,615.03-27,209,253.51-7,354,352.25

Finding the Fourth Proportional to 18,139,615.03, 27,209,253.51 and 7,354,352.25

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Solution

The fourth proportional to 18,139,615.03, 27,209,253.51 and 7,354,352.25 is: 11,031,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,615.03 : 27,209,253.51 = 7,354,352.25 : x
  2. Step 2: Convert to fraction form
    18,139,615.03/27,209,253.51 = 7,354,352.25/x
  3. Step 3: Cross multiply
    18,139,615.03x = 27,209,253.51 × 7,354,352.25
  4. Step 4: Simplify right side
    18,139,615.03x = 200,106,434,772,088.91
  5. Step 5: Solve for x
    x = 200,106,434,772,088.91/18,139,615.03
  6. Step 6: Final answer
    x = 11,031,459.84

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1.5x scale

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.