Home / 10,142,411.32-15,210,402-3,317,406.40

Finding the Fourth Proportional to 10,142,411.32, 15,210,402 and 3,317,406.40

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Solution

The fourth proportional to 10,142,411.32, 15,210,402 and 3,317,406.40 is: 4,975,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,411.32 : 15,210,402 = 3,317,406.40 : x
  2. Step 2: Convert to fraction form
    10,142,411.32/15,210,402 = 3,317,406.40/x
  3. Step 3: Cross multiply
    10,142,411.32x = 15,210,402 × 3,317,406.40
  4. Step 4: Simplify right side
    10,142,411.32x = 50,459,084,941,372.80
  5. Step 5: Solve for x
    x = 50,459,084,941,372.80/10,142,411.32
  6. Step 6: Final answer
    x = 4,975,058.04

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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.