Home / 13,122,078.30-19,683,117.45-7,075,460.70

Finding the Fourth Proportional to 13,122,078.30, 19,683,117.45 and 7,075,460.70

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Solution

The fourth proportional to 13,122,078.30, 19,683,117.45 and 7,075,460.70 is: 10,613,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,078.30 : 19,683,117.45 = 7,075,460.70 : x
  2. Step 2: Convert to fraction form
    13,122,078.30/19,683,117.45 = 7,075,460.70/x
  3. Step 3: Cross multiply
    13,122,078.30x = 19,683,117.45 × 7,075,460.70
  4. Step 4: Simplify right side
    13,122,078.30x = 139,267,123,970,959.22
  5. Step 5: Solve for x
    x = 139,267,123,970,959.22/13,122,078.30
  6. Step 6: Final answer
    x = 10,613,191.05

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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.