Home / 11,157,421.20-16,718,417.10-7,366,475.40

Finding the Fourth Proportional to 11,157,421.20, 16,718,417.10 and 7,366,475.40

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Solution

The fourth proportional to 11,157,421.20, 16,718,417.10 and 7,366,475.40 is: 11,038,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,421.20 : 16,718,417.10 = 7,366,475.40 : x
  2. Step 2: Convert to fraction form
    11,157,421.20/16,718,417.10 = 7,366,475.40/x
  3. Step 3: Cross multiply
    11,157,421.20x = 16,718,417.10 × 7,366,475.40
  4. Step 4: Simplify right side
    11,157,421.20x = 123,155,808,294,089.34
  5. Step 5: Solve for x
    x = 123,155,808,294,089.34/11,157,421.20
  6. Step 6: Final answer
    x = 11,038,017.31

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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.