Home / 10,603,358.70-15,909,703.65-4,920,657.90

Finding the Fourth Proportional to 10,603,358.70, 15,909,703.65 and 4,920,657.90

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Solution

The fourth proportional to 10,603,358.70, 15,909,703.65 and 4,920,657.90 is: 7,383,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,358.70 : 15,909,703.65 = 4,920,657.90 : x
  2. Step 2: Convert to fraction form
    10,603,358.70/15,909,703.65 = 4,920,657.90/x
  3. Step 3: Cross multiply
    10,603,358.70x = 15,909,703.65 × 4,920,657.90
  4. Step 4: Simplify right side
    10,603,358.70x = 78,286,208,952,031.34
  5. Step 5: Solve for x
    x = 78,286,208,952,031.34/10,603,358.70
  6. Step 6: Final answer
    x = 7,383,152.00

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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.