Home / 14,198,702.40-21,298,053.60-13,358,894.40

Finding the Fourth Proportional to 14,198,702.40, 21,298,053.60 and 13,358,894.40

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Solution

The fourth proportional to 14,198,702.40, 21,298,053.60 and 13,358,894.40 is: 20,038,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198,702.40 : 21,298,053.60 = 13,358,894.40 : x
  2. Step 2: Convert to fraction form
    14,198,702.40/21,298,053.60 = 13,358,894.40/x
  3. Step 3: Cross multiply
    14,198,702.40x = 21,298,053.60 × 13,358,894.40
  4. Step 4: Simplify right side
    14,198,702.40x = 284,518,448,967,939.88
  5. Step 5: Solve for x
    x = 284,518,448,967,939.88/14,198,702.40
  6. Step 6: Final answer
    x = 20,038,341.60

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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.