Home / 21,004,804.80-31,507,207.20-17,757,547.20

Finding the Fourth Proportional to 21,004,804.80, 31,507,207.20 and 17,757,547.20

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Solution

The fourth proportional to 21,004,804.80, 31,507,207.20 and 17,757,547.20 is: 26,636,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,804.80 : 31,507,207.20 = 17,757,547.20 : x
  2. Step 2: Convert to fraction form
    21,004,804.80/31,507,207.20 = 17,757,547.20/x
  3. Step 3: Cross multiply
    21,004,804.80x = 31,507,207.20 × 17,757,547.20
  4. Step 4: Simplify right side
    21,004,804.80x = 559,490,718,994,179.81
  5. Step 5: Solve for x
    x = 559,490,718,994,179.81/21,004,804.80
  6. Step 6: Final answer
    x = 26,636,320.80

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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.