Finding the Fourth Proportional to 40,660,743.49, 60,973,210.99 and 19,101,472.45
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Solution
The fourth proportional to 40,660,743.49, 60,973,210.99 and 19,101,472.45 is: 28,643,797.68
Step by Step Solution
- Step 1: Write the proportion equation
40,660,743.49 : 60,973,210.99 = 19,101,472.45 : x - Step 2: Convert to fraction form
40,660,743.49/60,973,210.99 = 19,101,472.45/x - Step 3: Cross multiply
40,660,743.49x = 60,973,210.99 × 19,101,472.45 - Step 4: Simplify right side
40,660,743.49x = 1,164,678,109,913,522.25 - Step 5: Solve for x
x = 1,164,678,109,913,522.25/40,660,743.49 - Step 6: Final answer
x = 28,643,797.68
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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.