Home / 21,064,420.65-31,596,630.98-17,238,045.45

Finding the Fourth Proportional to 21,064,420.65, 31,596,630.98 and 17,238,045.45

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Solution

The fourth proportional to 21,064,420.65, 31,596,630.98 and 17,238,045.45 is: 25,857,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,420.65 : 31,596,630.98 = 17,238,045.45 : x
  2. Step 2: Convert to fraction form
    21,064,420.65/31,596,630.98 = 17,238,045.45/x
  3. Step 3: Cross multiply
    21,064,420.65x = 31,596,630.98 × 17,238,045.45
  4. Step 4: Simplify right side
    21,064,420.65x = 544,664,160,813,927.81
  5. Step 5: Solve for x
    x = 544,664,160,813,927.81/21,064,420.65
  6. Step 6: Final answer
    x = 25,857,068.18

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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.