Home / 21,041,702.98-29,057,606.46-19,895,347.51

Finding the Fourth Proportional to 21,041,702.98, 29,057,606.46 and 19,895,347.51

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Solution

The fourth proportional to 21,041,702.98, 29,057,606.46 and 19,895,347.51 is: 27,474,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,702.98 : 29,057,606.46 = 19,895,347.51 : x
  2. Step 2: Convert to fraction form
    21,041,702.98/29,057,606.46 = 19,895,347.51/x
  3. Step 3: Cross multiply
    21,041,702.98x = 29,057,606.46 × 19,895,347.51
  4. Step 4: Simplify right side
    21,041,702.98x = 578,111,178,257,876.88
  5. Step 5: Solve for x
    x = 578,111,178,257,876.88/21,041,702.98
  6. Step 6: Final answer
    x = 27,474,543.24

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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.