Home / 46,631,041.20-69,945,905.70-21,072,009.60

Finding the Fourth Proportional to 46,631,041.20, 69,945,905.70 and 21,072,009.60

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Solution

The fourth proportional to 46,631,041.20, 69,945,905.70 and 21,072,009.60 is: 31,607,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,631,041.20 : 69,945,905.70 = 21,072,009.60 : x
  2. Step 2: Convert to fraction form
    46,631,041.20/69,945,905.70 = 21,072,009.60/x
  3. Step 3: Cross multiply
    46,631,041.20x = 69,945,905.70 × 21,072,009.60
  4. Step 4: Simplify right side
    46,631,041.20x = 1,473,900,796,391,095
  5. Step 5: Solve for x
    x = 1,473,900,796,391,095/46,631,041.20
  6. Step 6: Final answer
    x = 31,607,717.92

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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.