Home / 21,362,114.60-32,068,055.10-12,852,060.20

Finding the Fourth Proportional to 21,362,114.60, 32,068,055.10 and 12,852,060.20

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Solution

The fourth proportional to 21,362,114.60, 32,068,055.10 and 12,852,060.20 is: 19,293,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,114.60 : 32,068,055.10 = 12,852,060.20 : x
  2. Step 2: Convert to fraction form
    21,362,114.60/32,068,055.10 = 12,852,060.20/x
  3. Step 3: Cross multiply
    21,362,114.60x = 32,068,055.10 × 12,852,060.20
  4. Step 4: Simplify right side
    21,362,114.60x = 412,140,574,642,117
  5. Step 5: Solve for x
    x = 412,140,574,642,117/21,362,114.60
  6. Step 6: Final answer
    x = 19,293,060.75

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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.