Home / 14,429,817.43-19,913,158.80-7,814,457.25

Finding the Fourth Proportional to 14,429,817.43, 19,913,158.80 and 7,814,457.25

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Solution

The fourth proportional to 14,429,817.43, 19,913,158.80 and 7,814,457.25 is: 10,783,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,817.43 : 19,913,158.80 = 7,814,457.25 : x
  2. Step 2: Convert to fraction form
    14,429,817.43/19,913,158.80 = 7,814,457.25/x
  3. Step 3: Cross multiply
    14,429,817.43x = 19,913,158.80 × 7,814,457.25
  4. Step 4: Simplify right side
    14,429,817.43x = 155,610,528,105,278.41
  5. Step 5: Solve for x
    x = 155,610,528,105,278.41/14,429,817.43
  6. Step 6: Final answer
    x = 10,783,956.82

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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.