Home / 9,666,047.50-13,338,688.90-5,315,317.18

Finding the Fourth Proportional to 9,666,047.50, 13,338,688.90 and 5,315,317.18

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Solution

The fourth proportional to 9,666,047.50, 13,338,688.90 and 5,315,317.18 is: 7,334,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,047.50 : 13,338,688.90 = 5,315,317.18 : x
  2. Step 2: Convert to fraction form
    9,666,047.50/13,338,688.90 = 5,315,317.18/x
  3. Step 3: Cross multiply
    9,666,047.50x = 13,338,688.90 × 5,315,317.18
  4. Step 4: Simplify right side
    9,666,047.50x = 70,899,362,268,845.30
  5. Step 5: Solve for x
    x = 70,899,362,268,845.30/9,666,047.50
  6. Step 6: Final answer
    x = 7,334,886.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.