Home / 7,619,714.28-11,429,126.37-5,572,448.51

Finding the Fourth Proportional to 7,619,714.28, 11,429,126.37 and 5,572,448.51

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Solution

The fourth proportional to 7,619,714.28, 11,429,126.37 and 5,572,448.51 is: 8,358,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619,714.28 : 11,429,126.37 = 5,572,448.51 : x
  2. Step 2: Convert to fraction form
    7,619,714.28/11,429,126.37 = 5,572,448.51/x
  3. Step 3: Cross multiply
    7,619,714.28x = 11,429,126.37 × 5,572,448.51
  4. Step 4: Simplify right side
    7,619,714.28x = 63,688,218,153,962.57
  5. Step 5: Solve for x
    x = 63,688,218,153,962.57/7,619,714.28
  6. Step 6: Final answer
    x = 8,358,347.28

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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.