Home / 35,965,970.40-53,948,955.60-13,243,915.20

Finding the Fourth Proportional to 35,965,970.40, 53,948,955.60 and 13,243,915.20

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Solution

The fourth proportional to 35,965,970.40, 53,948,955.60 and 13,243,915.20 is: 19,865,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965,970.40 : 53,948,955.60 = 13,243,915.20 : x
  2. Step 2: Convert to fraction form
    35,965,970.40/53,948,955.60 = 13,243,915.20/x
  3. Step 3: Cross multiply
    35,965,970.40x = 53,948,955.60 × 13,243,915.20
  4. Step 4: Simplify right side
    35,965,970.40x = 714,495,393,094,965.12
  5. Step 5: Solve for x
    x = 714,495,393,094,965.12/35,965,970.40
  6. Step 6: Final answer
    x = 19,865,872.80

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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.