Home / 21,075,961.60-31,592,947.20-9,696,563.20

Finding the Fourth Proportional to 21,075,961.60, 31,592,947.20 and 9,696,563.20

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Solution

The fourth proportional to 21,075,961.60, 31,592,947.20 and 9,696,563.20 is: 14,535,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075,961.60 : 31,592,947.20 = 9,696,563.20 : x
  2. Step 2: Convert to fraction form
    21,075,961.60/31,592,947.20 = 9,696,563.20/x
  3. Step 3: Cross multiply
    21,075,961.60x = 31,592,947.20 × 9,696,563.20
  4. Step 4: Simplify right side
    21,075,961.60x = 306,343,009,199,063
  5. Step 5: Solve for x
    x = 306,343,009,199,063/21,075,961.60
  6. Step 6: Final answer
    x = 14,535,185.39

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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.