Home / 20,896,276.32-28,837,582.86-11,604,001.92

Finding the Fourth Proportional to 20,896,276.32, 28,837,582.86 and 11,604,001.92

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Solution

The fourth proportional to 20,896,276.32, 28,837,582.86 and 11,604,001.92 is: 16,013,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,276.32 : 28,837,582.86 = 11,604,001.92 : x
  2. Step 2: Convert to fraction form
    20,896,276.32/28,837,582.86 = 11,604,001.92/x
  3. Step 3: Cross multiply
    20,896,276.32x = 28,837,582.86 × 11,604,001.92
  4. Step 4: Simplify right side
    20,896,276.32x = 334,631,366,875,599.06
  5. Step 5: Solve for x
    x = 334,631,366,875,599.06/20,896,276.32
  6. Step 6: Final answer
    x = 16,013,923.33

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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.