Home / 31,922,995.20-47,884,492.80-12,756,710.40

Finding the Fourth Proportional to 31,922,995.20, 47,884,492.80 and 12,756,710.40

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Solution

The fourth proportional to 31,922,995.20, 47,884,492.80 and 12,756,710.40 is: 19,135,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922,995.20 : 47,884,492.80 = 12,756,710.40 : x
  2. Step 2: Convert to fraction form
    31,922,995.20/47,884,492.80 = 12,756,710.40/x
  3. Step 3: Cross multiply
    31,922,995.20x = 47,884,492.80 × 12,756,710.40
  4. Step 4: Simplify right side
    31,922,995.20x = 610,848,607,300,485.12
  5. Step 5: Solve for x
    x = 610,848,607,300,485.12/31,922,995.20
  6. Step 6: Final answer
    x = 19,135,065.60

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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.