Home / 20,075,318.68-30,112,918.44-5,698,398.64

Finding the Fourth Proportional to 20,075,318.68, 30,112,918.44 and 5,698,398.64

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Solution

The fourth proportional to 20,075,318.68, 30,112,918.44 and 5,698,398.64 is: 8,547,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075,318.68 : 30,112,918.44 = 5,698,398.64 : x
  2. Step 2: Convert to fraction form
    20,075,318.68/30,112,918.44 = 5,698,398.64/x
  3. Step 3: Cross multiply
    20,075,318.68x = 30,112,918.44 × 5,698,398.64
  4. Step 4: Simplify right side
    20,075,318.68x = 171,595,413,484,926.91
  5. Step 5: Solve for x
    x = 171,595,413,484,926.91/20,075,318.68
  6. Step 6: Final answer
    x = 8,547,581.05

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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.