Home / 13,698,763.83-18,897,126.90-8,470,100.57

Finding the Fourth Proportional to 13,698,763.83, 18,897,126.90 and 8,470,100.57

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Solution

The fourth proportional to 13,698,763.83, 18,897,126.90 and 8,470,100.57 is: 11,684,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,763.83 : 18,897,126.90 = 8,470,100.57 : x
  2. Step 2: Convert to fraction form
    13,698,763.83/18,897,126.90 = 8,470,100.57/x
  3. Step 3: Cross multiply
    13,698,763.83x = 18,897,126.90 × 8,470,100.57
  4. Step 4: Simplify right side
    13,698,763.83x = 160,060,565,232,566.69
  5. Step 5: Solve for x
    x = 160,060,565,232,566.69/13,698,763.83
  6. Step 6: Final answer
    x = 11,684,307.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.