Home / 19,850,799.69-27,390,807.59-11,700,929.61

Finding the Fourth Proportional to 19,850,799.69, 27,390,807.59 and 11,700,929.61

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Solution

The fourth proportional to 19,850,799.69, 27,390,807.59 and 11,700,929.61 is: 16,145,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850,799.69 : 27,390,807.59 = 11,700,929.61 : x
  2. Step 2: Convert to fraction form
    19,850,799.69/27,390,807.59 = 11,700,929.61/x
  3. Step 3: Cross multiply
    19,850,799.69x = 27,390,807.59 × 11,700,929.61
  4. Step 4: Simplify right side
    19,850,799.69x = 320,497,911,513,139.06
  5. Step 5: Solve for x
    x = 320,497,911,513,139.06/19,850,799.69
  6. Step 6: Final answer
    x = 16,145,340.06

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1.5x scale

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.