Home / 31,954,543.20-47,931,814.80-19,837,688.40

Finding the Fourth Proportional to 31,954,543.20, 47,931,814.80 and 19,837,688.40

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Solution

The fourth proportional to 31,954,543.20, 47,931,814.80 and 19,837,688.40 is: 29,756,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,543.20 : 47,931,814.80 = 19,837,688.40 : x
  2. Step 2: Convert to fraction form
    31,954,543.20/47,931,814.80 = 19,837,688.40/x
  3. Step 3: Cross multiply
    31,954,543.20x = 47,931,814.80 × 19,837,688.40
  4. Step 4: Simplify right side
    31,954,543.20x = 950,856,406,448,908.25
  5. Step 5: Solve for x
    x = 950,856,406,448,908.25/31,954,543.20
  6. Step 6: Final answer
    x = 29,756,532.60

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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.