Home / 30,579,971.58-42,200,348.56-16,828,935.71

Finding the Fourth Proportional to 30,579,971.58, 42,200,348.56 and 16,828,935.71

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Solution

The fourth proportional to 30,579,971.58, 42,200,348.56 and 16,828,935.71 is: 23,223,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,971.58 : 42,200,348.56 = 16,828,935.71 : x
  2. Step 2: Convert to fraction form
    30,579,971.58/42,200,348.56 = 16,828,935.71/x
  3. Step 3: Cross multiply
    30,579,971.58x = 42,200,348.56 × 16,828,935.71
  4. Step 4: Simplify right side
    30,579,971.58x = 710,186,952,602,756.88
  5. Step 5: Solve for x
    x = 710,186,952,602,756.88/30,579,971.58
  6. Step 6: Final answer
    x = 23,223,924.55

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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.