Home / 14,201,998.40-21,291,187.80-7,470,412.40

Finding the Fourth Proportional to 14,201,998.40, 21,291,187.80 and 7,470,412.40

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Solution

The fourth proportional to 14,201,998.40, 21,291,187.80 and 7,470,412.40 is: 11,199,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,998.40 : 21,291,187.80 = 7,470,412.40 : x
  2. Step 2: Convert to fraction form
    14,201,998.40/21,291,187.80 = 7,470,412.40/x
  3. Step 3: Cross multiply
    14,201,998.40x = 21,291,187.80 × 7,470,412.40
  4. Step 4: Simplify right side
    14,201,998.40x = 159,053,953,351,848.72
  5. Step 5: Solve for x
    x = 159,053,953,351,848.72/14,201,998.40
  6. Step 6: Final answer
    x = 11,199,406.51

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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.