Home / 21,130,903.70-31,710,559.71-7,484,001.02

Finding the Fourth Proportional to 21,130,903.70, 31,710,559.71 and 7,484,001.02

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Solution

The fourth proportional to 21,130,903.70, 31,710,559.71 and 7,484,001.02 is: 11,231,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130,903.70 : 31,710,559.71 = 7,484,001.02 : x
  2. Step 2: Convert to fraction form
    21,130,903.70/31,710,559.71 = 7,484,001.02/x
  3. Step 3: Cross multiply
    21,130,903.70x = 31,710,559.71 × 7,484,001.02
  4. Step 4: Simplify right side
    21,130,903.70x = 237,321,861,214,410.91
  5. Step 5: Solve for x
    x = 237,321,861,214,410.91/21,130,903.70
  6. Step 6: Final answer
    x = 11,231,032.26

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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.