Home / 7,709,955-10,639,971.18-4,271,874.36

Finding the Fourth Proportional to 7,709,955, 10,639,971.18 and 4,271,874.36

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Solution

The fourth proportional to 7,709,955, 10,639,971.18 and 4,271,874.36 is: 5,895,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,955 : 10,639,971.18 = 4,271,874.36 : x
  2. Step 2: Convert to fraction form
    7,709,955/10,639,971.18 = 4,271,874.36/x
  3. Step 3: Cross multiply
    7,709,955x = 10,639,971.18 × 4,271,874.36
  4. Step 4: Simplify right side
    7,709,955x = 45,452,620,074,980.95
  5. Step 5: Solve for x
    x = 45,452,620,074,980.95/7,709,955
  6. Step 6: Final answer
    x = 5,895,315.87

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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.