Finding the Fourth Proportional to 26,802,428.04, 40,102,187.36 and 15,878,480.71
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Solution
The fourth proportional to 26,802,428.04, 40,102,187.36 and 15,878,480.71 is: 23,757,616.56
Step by Step Solution
- Step 1: Write the proportion equation
26,802,428.04 : 40,102,187.36 = 15,878,480.71 : x - Step 2: Convert to fraction form
26,802,428.04/40,102,187.36 = 15,878,480.71/x - Step 3: Cross multiply
26,802,428.04x = 40,102,187.36 × 15,878,480.71 - Step 4: Simplify right side
26,802,428.04x = 636,761,808,465,223 - Step 5: Solve for x
x = 636,761,808,465,223/26,802,428.04 - Step 6: Final answer
x = 23,757,616.56
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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.