Home / 34,127,478.72-47,097,072-18,657,256.32

Finding the Fourth Proportional to 34,127,478.72, 47,097,072 and 18,657,256.32

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Solution

The fourth proportional to 34,127,478.72, 47,097,072 and 18,657,256.32 is: 25,747,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,127,478.72 : 47,097,072 = 18,657,256.32 : x
  2. Step 2: Convert to fraction form
    34,127,478.72/47,097,072 = 18,657,256.32/x
  3. Step 3: Cross multiply
    34,127,478.72x = 47,097,072 × 18,657,256.32
  4. Step 4: Simplify right side
    34,127,478.72x = 878,702,144,225,495
  5. Step 5: Solve for x
    x = 878,702,144,225,495/34,127,478.72
  6. Step 6: Final answer
    x = 25,747,643.17

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1.5x scale

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.