Home / 29,071,386.72-40,120,300.79-16,018,642.23

Finding the Fourth Proportional to 29,071,386.72, 40,120,300.79 and 16,018,642.23

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Solution

The fourth proportional to 29,071,386.72, 40,120,300.79 and 16,018,642.23 is: 22,106,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,071,386.72 : 40,120,300.79 = 16,018,642.23 : x
  2. Step 2: Convert to fraction form
    29,071,386.72/40,120,300.79 = 16,018,642.23/x
  3. Step 3: Cross multiply
    29,071,386.72x = 40,120,300.79 × 16,018,642.23
  4. Step 4: Simplify right side
    29,071,386.72x = 642,672,744,434,903.12
  5. Step 5: Solve for x
    x = 642,672,744,434,903.12/29,071,386.72
  6. Step 6: Final answer
    x = 22,106,710.99

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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.