Home / 31,547,300.40-47,320,950.60-11,345,252.40

Finding the Fourth Proportional to 31,547,300.40, 47,320,950.60 and 11,345,252.40

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Solution

The fourth proportional to 31,547,300.40, 47,320,950.60 and 11,345,252.40 is: 17,017,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547,300.40 : 47,320,950.60 = 11,345,252.40 : x
  2. Step 2: Convert to fraction form
    31,547,300.40/47,320,950.60 = 11,345,252.40/x
  3. Step 3: Cross multiply
    31,547,300.40x = 47,320,950.60 × 11,345,252.40
  4. Step 4: Simplify right side
    31,547,300.40x = 536,868,128,364,931.50
  5. Step 5: Solve for x
    x = 536,868,128,364,931.50/31,547,300.40
  6. Step 6: Final answer
    x = 17,017,878.60

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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.