Home / 12,547,512.60-18,839,931.30-9,710,827.80

Finding the Fourth Proportional to 12,547,512.60, 18,839,931.30 and 9,710,827.80

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Solution

The fourth proportional to 12,547,512.60, 18,839,931.30 and 9,710,827.80 is: 14,580,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,512.60 : 18,839,931.30 = 9,710,827.80 : x
  2. Step 2: Convert to fraction form
    12,547,512.60/18,839,931.30 = 9,710,827.80/x
  3. Step 3: Cross multiply
    12,547,512.60x = 18,839,931.30 × 9,710,827.80
  4. Step 4: Simplify right side
    12,547,512.60x = 182,951,328,618,130.16
  5. Step 5: Solve for x
    x = 182,951,328,618,130.16/12,547,512.60
  6. Step 6: Final answer
    x = 14,580,684.99

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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.