Home / 14,404,426.34-19,877,829-7,878,035.60

Finding the Fourth Proportional to 14,404,426.34, 19,877,829 and 7,878,035.60

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Solution

The fourth proportional to 14,404,426.34, 19,877,829 and 7,878,035.60 is: 10,871,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404,426.34 : 19,877,829 = 7,878,035.60 : x
  2. Step 2: Convert to fraction form
    14,404,426.34/19,877,829 = 7,878,035.60/x
  3. Step 3: Cross multiply
    14,404,426.34x = 19,877,829 × 7,878,035.60
  4. Step 4: Simplify right side
    14,404,426.34x = 156,598,244,512,712.41
  5. Step 5: Solve for x
    x = 156,598,244,512,712.41/14,404,426.34
  6. Step 6: Final answer
    x = 10,871,536.35

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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.