Home / 13,365,638.07-18,444,598.34-7,254,066.57

Finding the Fourth Proportional to 13,365,638.07, 18,444,598.34 and 7,254,066.57

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Solution

The fourth proportional to 13,365,638.07, 18,444,598.34 and 7,254,066.57 is: 10,010,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,638.07 : 18,444,598.34 = 7,254,066.57 : x
  2. Step 2: Convert to fraction form
    13,365,638.07/18,444,598.34 = 7,254,066.57/x
  3. Step 3: Cross multiply
    13,365,638.07x = 18,444,598.34 × 7,254,066.57
  4. Step 4: Simplify right side
    13,365,638.07x = 133,798,344,179,001.17
  5. Step 5: Solve for x
    x = 133,798,344,179,001.17/13,365,638.07
  6. Step 6: Final answer
    x = 10,010,621.53

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1.5x scale

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.