Home / 30,803,633.20-42,495,666.96-18,573,695.92

Finding the Fourth Proportional to 30,803,633.20, 42,495,666.96 and 18,573,695.92

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Solution

The fourth proportional to 30,803,633.20, 42,495,666.96 and 18,573,695.92 is: 25,623,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803,633.20 : 42,495,666.96 = 18,573,695.92 : x
  2. Step 2: Convert to fraction form
    30,803,633.20/42,495,666.96 = 18,573,695.92/x
  3. Step 3: Cross multiply
    30,803,633.20x = 42,495,666.96 × 18,573,695.92
  4. Step 4: Simplify right side
    30,803,633.20x = 789,301,596,032,630.88
  5. Step 5: Solve for x
    x = 789,301,596,032,630.88/30,803,633.20
  6. Step 6: Final answer
    x = 25,623,652.60

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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.