Home / 30,547,406.72-45,849,905.42-11,135,395.64

Finding the Fourth Proportional to 30,547,406.72, 45,849,905.42 and 11,135,395.64

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Solution

The fourth proportional to 30,547,406.72, 45,849,905.42 and 11,135,395.64 is: 16,713,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547,406.72 : 45,849,905.42 = 11,135,395.64 : x
  2. Step 2: Convert to fraction form
    30,547,406.72/45,849,905.42 = 11,135,395.64/x
  3. Step 3: Cross multiply
    30,547,406.72x = 45,849,905.42 × 11,135,395.64
  4. Step 4: Simplify right side
    30,547,406.72x = 510,556,836,623,353.81
  5. Step 5: Solve for x
    x = 510,556,836,623,353.81/30,547,406.72
  6. Step 6: Final answer
    x = 16,713,590.17

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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.