Home / 21,199,947.39-29,248,476.98-13,862,075.76

Finding the Fourth Proportional to 21,199,947.39, 29,248,476.98 and 13,862,075.76

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Solution

The fourth proportional to 21,199,947.39, 29,248,476.98 and 13,862,075.76 is: 19,124,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199,947.39 : 29,248,476.98 = 13,862,075.76 : x
  2. Step 2: Convert to fraction form
    21,199,947.39/29,248,476.98 = 13,862,075.76/x
  3. Step 3: Cross multiply
    21,199,947.39x = 29,248,476.98 × 13,862,075.76
  4. Step 4: Simplify right side
    21,199,947.39x = 405,444,603,692,065.62
  5. Step 5: Solve for x
    x = 405,444,603,692,065.62/21,199,947.39
  6. Step 6: Final answer
    x = 19,124,792.92

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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.