Home / 8,989,193.04-12,402,047.88-5,118,969.84

Finding the Fourth Proportional to 8,989,193.04, 12,402,047.88 and 5,118,969.84

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Solution

The fourth proportional to 8,989,193.04, 12,402,047.88 and 5,118,969.84 is: 7,062,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,193.04 : 12,402,047.88 = 5,118,969.84 : x
  2. Step 2: Convert to fraction form
    8,989,193.04/12,402,047.88 = 5,118,969.84/x
  3. Step 3: Cross multiply
    8,989,193.04x = 12,402,047.88 × 5,118,969.84
  4. Step 4: Simplify right side
    8,989,193.04x = 63,485,709,051,955.95
  5. Step 5: Solve for x
    x = 63,485,709,051,955.95/8,989,193.04
  6. Step 6: Final answer
    x = 7,062,448.07

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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.