Home / 10,368,401.80-15,525,386.70-7,319,302.60

Finding the Fourth Proportional to 10,368,401.80, 15,525,386.70 and 7,319,302.60

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Solution

The fourth proportional to 10,368,401.80, 15,525,386.70 and 7,319,302.60 is: 10,959,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,401.80 : 15,525,386.70 = 7,319,302.60 : x
  2. Step 2: Convert to fraction form
    10,368,401.80/15,525,386.70 = 7,319,302.60/x
  3. Step 3: Cross multiply
    10,368,401.80x = 15,525,386.70 × 7,319,302.60
  4. Step 4: Simplify right side
    10,368,401.80x = 113,635,003,239,315.41
  5. Step 5: Solve for x
    x = 113,635,003,239,315.41/10,368,401.80
  6. Step 6: Final answer
    x = 10,959,741.48

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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.