Home / 13,492,256.16-18,619,307.28-7,380,683.04

Finding the Fourth Proportional to 13,492,256.16, 18,619,307.28 and 7,380,683.04

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Solution

The fourth proportional to 13,492,256.16, 18,619,307.28 and 7,380,683.04 is: 10,185,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,256.16 : 18,619,307.28 = 7,380,683.04 : x
  2. Step 2: Convert to fraction form
    13,492,256.16/18,619,307.28 = 7,380,683.04/x
  3. Step 3: Cross multiply
    13,492,256.16x = 18,619,307.28 × 7,380,683.04
  4. Step 4: Simplify right side
    13,492,256.16x = 137,423,205,458,044.55
  5. Step 5: Solve for x
    x = 137,423,205,458,044.55/13,492,256.16
  6. Step 6: Final answer
    x = 10,185,339.19

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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.