Home / 10,291,445.40-14,203,066.86-5,709,243

Finding the Fourth Proportional to 10,291,445.40, 14,203,066.86 and 5,709,243

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Solution

The fourth proportional to 10,291,445.40, 14,203,066.86 and 5,709,243 is: 7,879,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291,445.40 : 14,203,066.86 = 5,709,243 : x
  2. Step 2: Convert to fraction form
    10,291,445.40/14,203,066.86 = 5,709,243/x
  3. Step 3: Cross multiply
    10,291,445.40x = 14,203,066.86 × 5,709,243
  4. Step 4: Simplify right side
    10,291,445.40x = 81,088,760,048,986.98
  5. Step 5: Solve for x
    x = 81,088,760,048,986.98/10,291,445.40
  6. Step 6: Final answer
    x = 7,879,239.20

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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.