Home / 7,136,307.04-9,845,691.60-4,078,343.20

Finding the Fourth Proportional to 7,136,307.04, 9,845,691.60 and 4,078,343.20

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Solution

The fourth proportional to 7,136,307.04, 9,845,691.60 and 4,078,343.20 is: 5,626,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,307.04 : 9,845,691.60 = 4,078,343.20 : x
  2. Step 2: Convert to fraction form
    7,136,307.04/9,845,691.60 = 4,078,343.20/x
  3. Step 3: Cross multiply
    7,136,307.04x = 9,845,691.60 × 4,078,343.20
  4. Step 4: Simplify right side
    7,136,307.04x = 40,154,109,386,157.12
  5. Step 5: Solve for x
    x = 40,154,109,386,157.12/7,136,307.04
  6. Step 6: Final answer
    x = 5,626,735.11

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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.