Home / 13,125,946.80-19,683,015.30-5,036,233.80

Finding the Fourth Proportional to 13,125,946.80, 19,683,015.30 and 5,036,233.80

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Solution

The fourth proportional to 13,125,946.80, 19,683,015.30 and 5,036,233.80 is: 7,552,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,946.80 : 19,683,015.30 = 5,036,233.80 : x
  2. Step 2: Convert to fraction form
    13,125,946.80/19,683,015.30 = 5,036,233.80/x
  3. Step 3: Cross multiply
    13,125,946.80x = 19,683,015.30 × 5,036,233.80
  4. Step 4: Simplify right side
    13,125,946.80x = 99,128,266,939,777.14
  5. Step 5: Solve for x
    x = 99,128,266,939,777.14/13,125,946.80
  6. Step 6: Final answer
    x = 7,552,085.08

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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.