Home / 13,249,827.84-18,298,702.56-11,805,498.96

Finding the Fourth Proportional to 13,249,827.84, 18,298,702.56 and 11,805,498.96

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Solution

The fourth proportional to 13,249,827.84, 18,298,702.56 and 11,805,498.96 is: 16,304,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,827.84 : 18,298,702.56 = 11,805,498.96 : x
  2. Step 2: Convert to fraction form
    13,249,827.84/18,298,702.56 = 11,805,498.96/x
  3. Step 3: Cross multiply
    13,249,827.84x = 18,298,702.56 × 11,805,498.96
  4. Step 4: Simplify right side
    13,249,827.84x = 216,025,314,041,429.34
  5. Step 5: Solve for x
    x = 216,025,314,041,429.34/13,249,827.84
  6. Step 6: Final answer
    x = 16,304,009.13

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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.