Home / 21,748,984.02-30,015,510.39-11,961,153

Finding the Fourth Proportional to 21,748,984.02, 30,015,510.39 and 11,961,153

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Solution

The fourth proportional to 21,748,984.02, 30,015,510.39 and 11,961,153 is: 16,507,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,984.02 : 30,015,510.39 = 11,961,153 : x
  2. Step 2: Convert to fraction form
    21,748,984.02/30,015,510.39 = 11,961,153/x
  3. Step 3: Cross multiply
    21,748,984.02x = 30,015,510.39 × 11,961,153
  4. Step 4: Simplify right side
    21,748,984.02x = 359,020,112,147,879.69
  5. Step 5: Solve for x
    x = 359,020,112,147,879.69/21,748,984.02
  6. Step 6: Final answer
    x = 16,507,442.91

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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.