Home / 19,430,557.60-29,164,498.80-9,856,746.40

Finding the Fourth Proportional to 19,430,557.60, 29,164,498.80 and 9,856,746.40

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Solution

The fourth proportional to 19,430,557.60, 29,164,498.80 and 9,856,746.40 is: 14,794,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,557.60 : 29,164,498.80 = 9,856,746.40 : x
  2. Step 2: Convert to fraction form
    19,430,557.60/29,164,498.80 = 9,856,746.40/x
  3. Step 3: Cross multiply
    19,430,557.60x = 29,164,498.80 × 9,856,746.40
  4. Step 4: Simplify right side
    19,430,557.60x = 287,467,068,554,704.31
  5. Step 5: Solve for x
    x = 287,467,068,554,704.31/19,430,557.60
  6. Step 6: Final answer
    x = 14,794,586.67

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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.