Finding the Fourth Proportional to 51,324,653.04, 70,828,019.08 and 28,120,660.08
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Solution
The fourth proportional to 51,324,653.04, 70,828,019.08 and 28,120,660.08 is: 38,806,509.75
Step by Step Solution
- Step 1: Write the proportion equation
51,324,653.04 : 70,828,019.08 = 28,120,660.08 : x - Step 2: Convert to fraction form
51,324,653.04/70,828,019.08 = 28,120,660.08/x - Step 3: Cross multiply
51,324,653.04x = 70,828,019.08 × 28,120,660.08 - Step 4: Simplify right side
51,324,653.04x = 1,991,730,648,688,434.25 - Step 5: Solve for x
x = 1,991,730,648,688,434.25/51,324,653.04 - Step 6: Final answer
x = 38,806,509.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.