Home / 14,037,205.80-21,020,379.30-9,218,807.40

Finding the Fourth Proportional to 14,037,205.80, 21,020,379.30 and 9,218,807.40

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Solution

The fourth proportional to 14,037,205.80, 21,020,379.30 and 9,218,807.40 is: 13,804,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037,205.80 : 21,020,379.30 = 9,218,807.40 : x
  2. Step 2: Convert to fraction form
    14,037,205.80/21,020,379.30 = 9,218,807.40/x
  3. Step 3: Cross multiply
    14,037,205.80x = 21,020,379.30 × 9,218,807.40
  4. Step 4: Simplify right side
    14,037,205.80x = 193,782,828,241,646.84
  5. Step 5: Solve for x
    x = 193,782,828,241,646.84/14,037,205.80
  6. Step 6: Final answer
    x = 13,804,943.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.