Home / 13,497,280.36-18,626,195.80-7,302,307.60

Finding the Fourth Proportional to 13,497,280.36, 18,626,195.80 and 7,302,307.60

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Solution

The fourth proportional to 13,497,280.36, 18,626,195.80 and 7,302,307.60 is: 10,077,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497,280.36 : 18,626,195.80 = 7,302,307.60 : x
  2. Step 2: Convert to fraction form
    13,497,280.36/18,626,195.80 = 7,302,307.60/x
  3. Step 3: Cross multiply
    13,497,280.36x = 18,626,195.80 × 7,302,307.60
  4. Step 4: Simplify right side
    13,497,280.36x = 136,014,211,149,428.08
  5. Step 5: Solve for x
    x = 136,014,211,149,428.08/13,497,280.36
  6. Step 6: Final answer
    x = 10,077,156.84

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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.