Home / 42,907,819.64-64,369,646.40-14,155,943.00

Finding the Fourth Proportional to 42,907,819.64, 64,369,646.40 and 14,155,943.00

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Solution

The fourth proportional to 42,907,819.64, 64,369,646.40 and 14,155,943.00 is: 21,236,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907,819.64 : 64,369,646.40 = 14,155,943.00 : x
  2. Step 2: Convert to fraction form
    42,907,819.64/64,369,646.40 = 14,155,943.00/x
  3. Step 3: Cross multiply
    42,907,819.64x = 64,369,646.40 × 14,155,943.00
  4. Step 4: Simplify right side
    42,907,819.64x = 911,213,045,046,706.88
  5. Step 5: Solve for x
    x = 911,213,045,046,706.88/42,907,819.64
  6. Step 6: Final answer
    x = 21,236,526.41

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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.