Home / 36,708,643.80-50,653,957.30-21,235,837.50

Finding the Fourth Proportional to 36,708,643.80, 50,653,957.30 and 21,235,837.50

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Solution

The fourth proportional to 36,708,643.80, 50,653,957.30 and 21,235,837.50 is: 29,303,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,643.80 : 50,653,957.30 = 21,235,837.50 : x
  2. Step 2: Convert to fraction form
    36,708,643.80/50,653,957.30 = 21,235,837.50/x
  3. Step 3: Cross multiply
    36,708,643.80x = 50,653,957.30 × 21,235,837.50
  4. Step 4: Simplify right side
    36,708,643.80x = 1,075,679,205,901,649.12
  5. Step 5: Solve for x
    x = 1,075,679,205,901,649.12/36,708,643.80
  6. Step 6: Final answer
    x = 29,303,158.45

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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.