Home / 12,558,702.40-18,838,053.60-3,460,782.40

Finding the Fourth Proportional to 12,558,702.40, 18,838,053.60 and 3,460,782.40

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Solution

The fourth proportional to 12,558,702.40, 18,838,053.60 and 3,460,782.40 is: 5,191,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,702.40 : 18,838,053.60 = 3,460,782.40 : x
  2. Step 2: Convert to fraction form
    12,558,702.40/18,838,053.60 = 3,460,782.40/x
  3. Step 3: Cross multiply
    12,558,702.40x = 18,838,053.60 × 3,460,782.40
  4. Step 4: Simplify right side
    12,558,702.40x = 65,194,404,349,136.64
  5. Step 5: Solve for x
    x = 65,194,404,349,136.64/12,558,702.40
  6. Step 6: Final answer
    x = 5,191,173.60

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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.