Home / 14,921,838.40-22,382,757.60-10,386,875.20

Finding the Fourth Proportional to 14,921,838.40, 22,382,757.60 and 10,386,875.20

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Solution

The fourth proportional to 14,921,838.40, 22,382,757.60 and 10,386,875.20 is: 15,580,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921,838.40 : 22,382,757.60 = 10,386,875.20 : x
  2. Step 2: Convert to fraction form
    14,921,838.40/22,382,757.60 = 10,386,875.20/x
  3. Step 3: Cross multiply
    14,921,838.40x = 22,382,757.60 × 10,386,875.20
  4. Step 4: Simplify right side
    14,921,838.40x = 232,486,909,823,051.53
  5. Step 5: Solve for x
    x = 232,486,909,823,051.53/14,921,838.40
  6. Step 6: Final answer
    x = 15,580,312.80

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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.