Finding the Fourth Proportional to 47,283,747.76, 70,919,751.36 and 12,742,851.74
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Solution
The fourth proportional to 47,283,747.76, 70,919,751.36 and 12,742,851.74 is: 19,112,695.59
Step by Step Solution
- Step 1: Write the proportion equation
47,283,747.76 : 70,919,751.36 = 12,742,851.74 : x - Step 2: Convert to fraction form
47,283,747.76/70,919,751.36 = 12,742,851.74/x - Step 3: Cross multiply
47,283,747.76x = 70,919,751.36 × 12,742,851.74 - Step 4: Simplify right side
47,283,747.76x = 903,719,877,018,143.38 - Step 5: Solve for x
x = 903,719,877,018,143.38/47,283,747.76 - Step 6: Final answer
x = 19,112,695.59
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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.