Home / 6,712,937.10-10,069,405.65-1,920,912.30

Finding the Fourth Proportional to 6,712,937.10, 10,069,405.65 and 1,920,912.30

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Solution

The fourth proportional to 6,712,937.10, 10,069,405.65 and 1,920,912.30 is: 2,881,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712,937.10 : 10,069,405.65 = 1,920,912.30 : x
  2. Step 2: Convert to fraction form
    6,712,937.10/10,069,405.65 = 1,920,912.30/x
  3. Step 3: Cross multiply
    6,712,937.10x = 10,069,405.65 × 1,920,912.30
  4. Step 4: Simplify right side
    6,712,937.10x = 19,342,445,166,774.50
  5. Step 5: Solve for x
    x = 19,342,445,166,774.50/6,712,937.10
  6. Step 6: Final answer
    x = 2,881,368.45

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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.