Home / 21,168,005.40-31,752,008.10-14,449,541.40

Finding the Fourth Proportional to 21,168,005.40, 31,752,008.10 and 14,449,541.40

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Solution

The fourth proportional to 21,168,005.40, 31,752,008.10 and 14,449,541.40 is: 21,674,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,005.40 : 31,752,008.10 = 14,449,541.40 : x
  2. Step 2: Convert to fraction form
    21,168,005.40/31,752,008.10 = 14,449,541.40/x
  3. Step 3: Cross multiply
    21,168,005.40x = 31,752,008.10 × 14,449,541.40
  4. Step 4: Simplify right side
    21,168,005.40x = 458,801,955,574,085.38
  5. Step 5: Solve for x
    x = 458,801,955,574,085.38/21,168,005.40
  6. Step 6: Final answer
    x = 21,674,312.10

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1.5x scale

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.