Home / 30,651,587.76-45,925,352.64-18,495,509.52

Finding the Fourth Proportional to 30,651,587.76, 45,925,352.64 and 18,495,509.52

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Solution

The fourth proportional to 30,651,587.76, 45,925,352.64 and 18,495,509.52 is: 27,711,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651,587.76 : 45,925,352.64 = 18,495,509.52 : x
  2. Step 2: Convert to fraction form
    30,651,587.76/45,925,352.64 = 18,495,509.52/x
  3. Step 3: Cross multiply
    30,651,587.76x = 45,925,352.64 × 18,495,509.52
  4. Step 4: Simplify right side
    30,651,587.76x = 849,412,796,962,477.12
  5. Step 5: Solve for x
    x = 849,412,796,962,477.12/30,651,587.76
  6. Step 6: Final answer
    x = 27,711,869.40

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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.