Home / 20,700,565.62-31,011,051.78-11,574,985.55

Finding the Fourth Proportional to 20,700,565.62, 31,011,051.78 and 11,574,985.55

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Solution

The fourth proportional to 20,700,565.62, 31,011,051.78 and 11,574,985.55 is: 17,340,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,565.62 : 31,011,051.78 = 11,574,985.55 : x
  2. Step 2: Convert to fraction form
    20,700,565.62/31,011,051.78 = 11,574,985.55/x
  3. Step 3: Cross multiply
    20,700,565.62x = 31,011,051.78 × 11,574,985.55
  4. Step 4: Simplify right side
    20,700,565.62x = 358,952,476,088,746.56
  5. Step 5: Solve for x
    x = 358,952,476,088,746.56/20,700,565.62
  6. Step 6: Final answer
    x = 17,340,225.51

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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.