Home / 37,317,981.60-56,001,855.60-21,143,901.60

Finding the Fourth Proportional to 37,317,981.60, 56,001,855.60 and 21,143,901.60

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Solution

The fourth proportional to 37,317,981.60, 56,001,855.60 and 21,143,901.60 is: 31,729,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,317,981.60 : 56,001,855.60 = 21,143,901.60 : x
  2. Step 2: Convert to fraction form
    37,317,981.60/56,001,855.60 = 21,143,901.60/x
  3. Step 3: Cross multiply
    37,317,981.60x = 56,001,855.60 × 21,143,901.60
  4. Step 4: Simplify right side
    37,317,981.60x = 1,184,097,724,223,809
  5. Step 5: Solve for x
    x = 1,184,097,724,223,809/37,317,981.60
  6. Step 6: Final answer
    x = 31,729,950.91

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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.