Home / 14,208,152.40-21,312,228.60-9,878,475.60

Finding the Fourth Proportional to 14,208,152.40, 21,312,228.60 and 9,878,475.60

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Solution

The fourth proportional to 14,208,152.40, 21,312,228.60 and 9,878,475.60 is: 14,817,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,152.40 : 21,312,228.60 = 9,878,475.60 : x
  2. Step 2: Convert to fraction form
    14,208,152.40/21,312,228.60 = 9,878,475.60/x
  3. Step 3: Cross multiply
    14,208,152.40x = 21,312,228.60 × 9,878,475.60
  4. Step 4: Simplify right side
    14,208,152.40x = 210,532,330,206,722.16
  5. Step 5: Solve for x
    x = 210,532,330,206,722.16/14,208,152.40
  6. Step 6: Final answer
    x = 14,817,713.40

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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.