Home / 21,783,139.60-32,681,707.80-14,602,781.20

Finding the Fourth Proportional to 21,783,139.60, 32,681,707.80 and 14,602,781.20

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Solution

The fourth proportional to 21,783,139.60, 32,681,707.80 and 14,602,781.20 is: 21,908,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,139.60 : 32,681,707.80 = 14,602,781.20 : x
  2. Step 2: Convert to fraction form
    21,783,139.60/32,681,707.80 = 14,602,781.20/x
  3. Step 3: Cross multiply
    21,783,139.60x = 32,681,707.80 × 14,602,781.20
  4. Step 4: Simplify right side
    21,783,139.60x = 477,243,828,245,733.38
  5. Step 5: Solve for x
    x = 477,243,828,245,733.38/21,783,139.60
  6. Step 6: Final answer
    x = 21,908,863.32

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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.