Finding the Fourth Proportional to 26,509,501.80, 39,736,259.10 and 15,125,437.80
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Solution
The fourth proportional to 26,509,501.80, 39,736,259.10 and 15,125,437.80 is: 22,672,184.49
Step by Step Solution
- Step 1: Write the proportion equation
26,509,501.80 : 39,736,259.10 = 15,125,437.80 : x - Step 2: Convert to fraction form
26,509,501.80/39,736,259.10 = 15,125,437.80/x - Step 3: Cross multiply
26,509,501.80x = 39,736,259.10 × 15,125,437.80 - Step 4: Simplify right side
26,509,501.80x = 601,028,315,421,734 - Step 5: Solve for x
x = 601,028,315,421,734/26,509,501.80 - Step 6: Final answer
x = 22,672,184.49
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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.