Home / 9,725,827.55-13,421,683.67-5,315,642.28

Finding the Fourth Proportional to 9,725,827.55, 13,421,683.67 and 5,315,642.28

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Solution

The fourth proportional to 9,725,827.55, 13,421,683.67 and 5,315,642.28 is: 7,335,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725,827.55 : 13,421,683.67 = 5,315,642.28 : x
  2. Step 2: Convert to fraction form
    9,725,827.55/13,421,683.67 = 5,315,642.28/x
  3. Step 3: Cross multiply
    9,725,827.55x = 13,421,683.67 × 5,315,642.28
  4. Step 4: Simplify right side
    9,725,827.55x = 71,344,869,117,929.16
  5. Step 5: Solve for x
    x = 71,344,869,117,929.16/9,725,827.55
  6. Step 6: Final answer
    x = 7,335,609.10

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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.