Finding the Fourth Proportional to 26,626,970.80, 39,941,595.87 and 10,456,420.98
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Solution
The fourth proportional to 26,626,970.80, 39,941,595.87 and 10,456,420.98 is: 15,685,079.02
Step by Step Solution
- Step 1: Write the proportion equation
26,626,970.80 : 39,941,595.87 = 10,456,420.98 : x - Step 2: Convert to fraction form
26,626,970.80/39,941,595.87 = 10,456,420.98/x - Step 3: Cross multiply
26,626,970.80x = 39,941,595.87 × 10,456,420.98 - Step 4: Simplify right side
26,626,970.80x = 417,646,140,977,467.31 - Step 5: Solve for x
x = 417,646,140,977,467.31/26,626,970.80 - Step 6: Final answer
x = 15,685,079.02
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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.