Home / 30,032,412.51-41,447,818.27-18,272,515.74

Finding the Fourth Proportional to 30,032,412.51, 41,447,818.27 and 18,272,515.74

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Solution

The fourth proportional to 30,032,412.51, 41,447,818.27 and 18,272,515.74 is: 25,217,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032,412.51 : 41,447,818.27 = 18,272,515.74 : x
  2. Step 2: Convert to fraction form
    30,032,412.51/41,447,818.27 = 18,272,515.74/x
  3. Step 3: Cross multiply
    30,032,412.51x = 41,447,818.27 × 18,272,515.74
  4. Step 4: Simplify right side
    30,032,412.51x = 757,355,911,785,172.75
  5. Step 5: Solve for x
    x = 757,355,911,785,172.75/30,032,412.51
  6. Step 6: Final answer
    x = 25,217,951.16

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1.5x scale

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.