Home / 20,804,075.40-31,206,210.30-7,340,903.40

Finding the Fourth Proportional to 20,804,075.40, 31,206,210.30 and 7,340,903.40

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Solution

The fourth proportional to 20,804,075.40, 31,206,210.30 and 7,340,903.40 is: 11,011,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,075.40 : 31,206,210.30 = 7,340,903.40 : x
  2. Step 2: Convert to fraction form
    20,804,075.40/31,206,210.30 = 7,340,903.40/x
  3. Step 3: Cross multiply
    20,804,075.40x = 31,206,210.30 × 7,340,903.40
  4. Step 4: Simplify right side
    20,804,075.40x = 229,081,775,292,385.03
  5. Step 5: Solve for x
    x = 229,081,775,292,385.03/20,804,075.40
  6. Step 6: Final answer
    x = 11,011,389.40

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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.