Home / 22,931,168.45-31,645,885.55-13,143,501.45

Finding the Fourth Proportional to 22,931,168.45, 31,645,885.55 and 13,143,501.45

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Solution

The fourth proportional to 22,931,168.45, 31,645,885.55 and 13,143,501.45 is: 18,138,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931,168.45 : 31,645,885.55 = 13,143,501.45 : x
  2. Step 2: Convert to fraction form
    22,931,168.45/31,645,885.55 = 13,143,501.45/x
  3. Step 3: Cross multiply
    22,931,168.45x = 31,645,885.55 × 13,143,501.45
  4. Step 4: Simplify right side
    22,931,168.45x = 415,937,742,547,241.56
  5. Step 5: Solve for x
    x = 415,937,742,547,241.56/22,931,168.45
  6. Step 6: Final answer
    x = 18,138,532.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.