Finding the Fourth Proportional to 26,949,508.80, 40,417,702.20 and 7,778,266.80
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Solution
The fourth proportional to 26,949,508.80, 40,417,702.20 and 7,778,266.80 is: 11,665,506.54
Step by Step Solution
- Step 1: Write the proportion equation
26,949,508.80 : 40,417,702.20 = 7,778,266.80 : x - Step 2: Convert to fraction form
26,949,508.80/40,417,702.20 = 7,778,266.80/x - Step 3: Cross multiply
26,949,508.80x = 40,417,702.20 × 7,778,266.80 - Step 4: Simplify right side
26,949,508.80x = 314,379,671,154,547 - Step 5: Solve for x
x = 314,379,671,154,547/26,949,508.80 - Step 6: Final answer
x = 11,665,506.54
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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.