Home / 39,928,075.98-55,103,296.40-22,518,068.82

Finding the Fourth Proportional to 39,928,075.98, 55,103,296.40 and 22,518,068.82

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Solution

The fourth proportional to 39,928,075.98, 55,103,296.40 and 22,518,068.82 is: 31,076,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928,075.98 : 55,103,296.40 = 22,518,068.82 : x
  2. Step 2: Convert to fraction form
    39,928,075.98/55,103,296.40 = 22,518,068.82/x
  3. Step 3: Cross multiply
    39,928,075.98x = 55,103,296.40 × 22,518,068.82
  4. Step 4: Simplify right side
    39,928,075.98x = 1,240,819,820,544,058.25
  5. Step 5: Solve for x
    x = 1,240,819,820,544,058.25/39,928,075.98
  6. Step 6: Final answer
    x = 31,076,373.96

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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.