Home / 10,085,337.01-13,918,931.09-5,615,342.29

Finding the Fourth Proportional to 10,085,337.01, 13,918,931.09 and 5,615,342.29

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Solution

The fourth proportional to 10,085,337.01, 13,918,931.09 and 5,615,342.29 is: 7,749,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,337.01 : 13,918,931.09 = 5,615,342.29 : x
  2. Step 2: Convert to fraction form
    10,085,337.01/13,918,931.09 = 5,615,342.29/x
  3. Step 3: Cross multiply
    10,085,337.01x = 13,918,931.09 × 5,615,342.29
  4. Step 4: Simplify right side
    10,085,337.01x = 78,159,562,381,272.80
  5. Step 5: Solve for x
    x = 78,159,562,381,272.80/10,085,337.01
  6. Step 6: Final answer
    x = 7,749,821.58

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1.5x scale

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.