Home / 28,742,909.40-43,114,364.10-27,042,298.20

Finding the Fourth Proportional to 28,742,909.40, 43,114,364.10 and 27,042,298.20

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Solution

The fourth proportional to 28,742,909.40, 43,114,364.10 and 27,042,298.20 is: 40,563,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,909.40 : 43,114,364.10 = 27,042,298.20 : x
  2. Step 2: Convert to fraction form
    28,742,909.40/43,114,364.10 = 27,042,298.20/x
  3. Step 3: Cross multiply
    28,742,909.40x = 43,114,364.10 × 27,042,298.20
  4. Step 4: Simplify right side
    28,742,909.40x = 1,165,911,490,695,574.75
  5. Step 5: Solve for x
    x = 1,165,911,490,695,574.75/28,742,909.40
  6. Step 6: Final answer
    x = 40,563,447.30

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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.