Home / 12,365,133.60-18,547,700.40-6,696,429.60

Finding the Fourth Proportional to 12,365,133.60, 18,547,700.40 and 6,696,429.60

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Solution

The fourth proportional to 12,365,133.60, 18,547,700.40 and 6,696,429.60 is: 10,044,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,133.60 : 18,547,700.40 = 6,696,429.60 : x
  2. Step 2: Convert to fraction form
    12,365,133.60/18,547,700.40 = 6,696,429.60/x
  3. Step 3: Cross multiply
    12,365,133.60x = 18,547,700.40 × 6,696,429.60
  4. Step 4: Simplify right side
    12,365,133.60x = 124,203,369,970,491.83
  5. Step 5: Solve for x
    x = 124,203,369,970,491.83/12,365,133.60
  6. Step 6: Final answer
    x = 10,044,644.40

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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.