Home / 30,698,507.52-42,363,255.96-16,759,327.68

Finding the Fourth Proportional to 30,698,507.52, 42,363,255.96 and 16,759,327.68

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Solution

The fourth proportional to 30,698,507.52, 42,363,255.96 and 16,759,327.68 is: 23,127,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698,507.52 : 42,363,255.96 = 16,759,327.68 : x
  2. Step 2: Convert to fraction form
    30,698,507.52/42,363,255.96 = 16,759,327.68/x
  3. Step 3: Cross multiply
    30,698,507.52x = 42,363,255.96 × 16,759,327.68
  4. Step 4: Simplify right side
    30,698,507.52x = 709,979,688,225,353
  5. Step 5: Solve for x
    x = 709,979,688,225,353/30,698,507.52
  6. Step 6: Final answer
    x = 23,127,498.55

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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.