Finding the Fourth Proportional to 15,352,124.19, 21,177,050.02 and 9,919,616.19
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Solution
The fourth proportional to 15,352,124.19, 21,177,050.02 and 9,919,616.19 is: 13,683,331.74
Step by Step Solution
- Step 1: Write the proportion equation
15,352,124.19 : 21,177,050.02 = 9,919,616.19 : x - Step 2: Convert to fraction form
15,352,124.19/21,177,050.02 = 9,919,616.19/x - Step 3: Cross multiply
15,352,124.19x = 21,177,050.02 × 9,919,616.19 - Step 4: Simplify right side
15,352,124.19x = 210,068,208,234,831.81 - Step 5: Solve for x
x = 210,068,208,234,831.81/15,352,124.19 - Step 6: Final answer
x = 13,683,331.74
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1.5x scale
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.