Home / 14,275,821.06-21,421,830.38-7,710,448.77

Finding the Fourth Proportional to 14,275,821.06, 21,421,830.38 and 7,710,448.77

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Solution

The fourth proportional to 14,275,821.06, 21,421,830.38 and 7,710,448.77 is: 11,570,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,821.06 : 21,421,830.38 = 7,710,448.77 : x
  2. Step 2: Convert to fraction form
    14,275,821.06/21,421,830.38 = 7,710,448.77/x
  3. Step 3: Cross multiply
    14,275,821.06x = 21,421,830.38 × 7,710,448.77
  4. Step 4: Simplify right side
    14,275,821.06x = 165,171,925,666,067.38
  5. Step 5: Solve for x
    x = 165,171,925,666,067.38/14,275,821.06
  6. Step 6: Final answer
    x = 11,570,047.35

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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.