Home / 10,953,893.90-15,037,216.32-9,402,462.16

Finding the Fourth Proportional to 10,953,893.90, 15,037,216.32 and 9,402,462.16

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Solution

The fourth proportional to 10,953,893.90, 15,037,216.32 and 9,402,462.16 is: 12,907,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953,893.90 : 15,037,216.32 = 9,402,462.16 : x
  2. Step 2: Convert to fraction form
    10,953,893.90/15,037,216.32 = 9,402,462.16/x
  3. Step 3: Cross multiply
    10,953,893.90x = 15,037,216.32 × 9,402,462.16
  4. Step 4: Simplify right side
    10,953,893.90x = 141,386,857,464,622.38
  5. Step 5: Solve for x
    x = 141,386,857,464,622.38/10,953,893.90
  6. Step 6: Final answer
    x = 12,907,451.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.