Home / 13,047,702.72-18,006,336.32-7,246,925.44

Finding the Fourth Proportional to 13,047,702.72, 18,006,336.32 and 7,246,925.44

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Solution

The fourth proportional to 13,047,702.72, 18,006,336.32 and 7,246,925.44 is: 10,001,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,702.72 : 18,006,336.32 = 7,246,925.44 : x
  2. Step 2: Convert to fraction form
    13,047,702.72/18,006,336.32 = 7,246,925.44/x
  3. Step 3: Cross multiply
    13,047,702.72x = 18,006,336.32 × 7,246,925.44
  4. Step 4: Simplify right side
    13,047,702.72x = 130,490,576,758,603.98
  5. Step 5: Solve for x
    x = 130,490,576,758,603.98/13,047,702.72
  6. Step 6: Final answer
    x = 10,001,038.46

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1.5x scale

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.