Home / 14,106,867.86-19,467,690.95-7,913,287.50

Finding the Fourth Proportional to 14,106,867.86, 19,467,690.95 and 7,913,287.50

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Solution

The fourth proportional to 14,106,867.86, 19,467,690.95 and 7,913,287.50 is: 10,920,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106,867.86 : 19,467,690.95 = 7,913,287.50 : x
  2. Step 2: Convert to fraction form
    14,106,867.86/19,467,690.95 = 7,913,287.50/x
  3. Step 3: Cross multiply
    14,106,867.86x = 19,467,690.95 × 7,913,287.50
  4. Step 4: Simplify right side
    14,106,867.86x = 154,053,435,448,498.12
  5. Step 5: Solve for x
    x = 154,053,435,448,498.12/14,106,867.86
  6. Step 6: Final answer
    x = 10,920,456.40

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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.