Home / 13,401,972.36-18,494,707.86-7,290,386.28

Finding the Fourth Proportional to 13,401,972.36, 18,494,707.86 and 7,290,386.28

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Solution

The fourth proportional to 13,401,972.36, 18,494,707.86 and 7,290,386.28 is: 10,060,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,972.36 : 18,494,707.86 = 7,290,386.28 : x
  2. Step 2: Convert to fraction form
    13,401,972.36/18,494,707.86 = 7,290,386.28/x
  3. Step 3: Cross multiply
    13,401,972.36x = 18,494,707.86 × 7,290,386.28
  4. Step 4: Simplify right side
    13,401,972.36x = 134,833,564,435,152.16
  5. Step 5: Solve for x
    x = 134,833,564,435,152.16/13,401,972.36
  6. Step 6: Final answer
    x = 10,060,725.45

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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.