Home / 14,340,006.40-21,510,009.60-12,772,364.80

Finding the Fourth Proportional to 14,340,006.40, 21,510,009.60 and 12,772,364.80

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Solution

The fourth proportional to 14,340,006.40, 21,510,009.60 and 12,772,364.80 is: 19,158,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340,006.40 : 21,510,009.60 = 12,772,364.80 : x
  2. Step 2: Convert to fraction form
    14,340,006.40/21,510,009.60 = 12,772,364.80/x
  3. Step 3: Cross multiply
    14,340,006.40x = 21,510,009.60 × 12,772,364.80
  4. Step 4: Simplify right side
    14,340,006.40x = 274,733,689,462,702.12
  5. Step 5: Solve for x
    x = 274,733,689,462,702.12/14,340,006.40
  6. Step 6: Final answer
    x = 19,158,547.20

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1.5x scale

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.