Home / 39,960,931.17-55,146,084.35-21,626,216.67

Finding the Fourth Proportional to 39,960,931.17, 55,146,084.35 and 21,626,216.67

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Solution

The fourth proportional to 39,960,931.17, 55,146,084.35 and 21,626,216.67 is: 29,844,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,931.17 : 55,146,084.35 = 21,626,216.67 : x
  2. Step 2: Convert to fraction form
    39,960,931.17/55,146,084.35 = 21,626,216.67/x
  3. Step 3: Cross multiply
    39,960,931.17x = 55,146,084.35 × 21,626,216.67
  4. Step 4: Simplify right side
    39,960,931.17x = 1,192,601,168,547,065
  5. Step 5: Solve for x
    x = 1,192,601,168,547,065/39,960,931.17
  6. Step 6: Final answer
    x = 29,844,178.64

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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.