Home / 21,426,447.36-32,136,117.60-7,049,690.40

Finding the Fourth Proportional to 21,426,447.36, 32,136,117.60 and 7,049,690.40

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Solution

The fourth proportional to 21,426,447.36, 32,136,117.60 and 7,049,690.40 is: 10,573,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,447.36 : 32,136,117.60 = 7,049,690.40 : x
  2. Step 2: Convert to fraction form
    21,426,447.36/32,136,117.60 = 7,049,690.40/x
  3. Step 3: Cross multiply
    21,426,447.36x = 32,136,117.60 × 7,049,690.40
  4. Step 4: Simplify right side
    21,426,447.36x = 226,549,679,737,991.06
  5. Step 5: Solve for x
    x = 226,549,679,737,991.06/21,426,447.36
  6. Step 6: Final answer
    x = 10,573,366.45

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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.