Home / 21,433,702.80-29,577,827.52-12,266,148.72

Finding the Fourth Proportional to 21,433,702.80, 29,577,827.52 and 12,266,148.72

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Solution

The fourth proportional to 21,433,702.80, 29,577,827.52 and 12,266,148.72 is: 16,926,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433,702.80 : 29,577,827.52 = 12,266,148.72 : x
  2. Step 2: Convert to fraction form
    21,433,702.80/29,577,827.52 = 12,266,148.72/x
  3. Step 3: Cross multiply
    21,433,702.80x = 29,577,827.52 × 12,266,148.72
  4. Step 4: Simplify right side
    21,433,702.80x = 362,806,031,174,828.81
  5. Step 5: Solve for x
    x = 362,806,031,174,828.81/21,433,702.80
  6. Step 6: Final answer
    x = 16,926,894.74

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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.